######### \u003cdiv class="rich_media_content"\u003e\u003cdiv class="cms-cke-widget-quote-normal-2 cms-cke-widget-quote-tpl cms-cke-widget-quote-wrapper cms-cke-widget-tpl" data-key="quote-normal-2" data-reactroot="" style="align-items: center; display: flex; font-size: 19px; justify-content: center; margin-bottom: 28px; margin-top: 28px; padding-top: 25px; width: 100%"\u003e\n\u003cdiv class="cms-cke-widget-quote-container" style="background: rgba(0,38,154,0.05); border-bottom: 1px solid #001966; border-left: 1px solid #001966; border-right: 1px solid #001966; padding: 17px 12px; position: relative; width: 100%"\u003e\n\u003cdiv class="cms-cke-widget-line1" style="background: #001966; height: 1px; left: 0px; position: absolute; top: 0px; width: 6px"\u003e \u003c/div\u003e\n\u003cdiv class="cms-cke-widget-line2" style="background: #001966; height: 1px; position: absolute; right: 0; top: 0; width: calc(100% - 50px)"\u003e \u003c/div\u003e\n\u003csection class="cms-cke-widget-quote-icon" style="background-image: url(https://inews.gtimg.com/om_bt/OSVkGXuYImc9v1pDDQWdNijNR-zQNWgLjI58FTqlAnTT0AA/0); background-position: center; background-repeat: no-repeat; background-size: cover; display: inline-block; height: 28px; left: 14px; position: absolute; top: -25px; width: 28px"\u003e \u003c/section\u003e\n\u003cdiv class="cms-cke-widget-quote-content" style="color: #212228; line-height: 27px; text-align: justify; width: 100%"\u003e\n\u003cp\u003e\u003cstrong\u003e11月30日22时48分，我国首个商业航天发射场海南商业航天发射场首次发射取得圆满成功。\u003c/strong\u003e新型运载火箭长征十二号成功将卫星互联网技术试验卫星、技术试验卫星03星送入预定轨道。\u003c/p\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003cdiv data-vid="j3572qui6nd" data-widget="video"\u003e\u003c!--VIDEO_0--\u003e\u003c/div\u003e\n\u003cdiv class="cms-cke-widget-title-normal-3 cms-cke-widget-title-tpl cms-cke-widget-title-wrapper cms-cke-widget-tpl" data-key="title-normal-3" data-reactroot="" style="align-items: center; box-sizing: border-box; display: flex; font-size: 19px; font-weight: bold; justify-content: flex-start; margin-bottom: 26px; margin-top: 28px; width: 100%"\u003e\n\u003cdiv class="cms-cke-widget-title-container" style="display: inline-block; position: relative; z-index: 9"\u003e\n\u003csection class="icon" style="background-image: url(https://inews.gtimg.com/om_bt/OX7Z_nbbTaKtViCWODDbOU1wckRuvY_TA8hQbw9qZcZmIAA/0); background-position: center; background-repeat: no-repeat; background-size: cover; display: inline-block; height: 48px; left: 0px; margin-right: 4px; position: absolute; top: -5px; width: 48px" data-no-dark="true"\u003e \u003c/section\u003e\n\u003cdiv class="cms-cke-widget-title-wrap title-normal-3-text" style="color: #0d141e; display: inline-block; line-height: 26px; min-width: 4px; padding: 1px 12px 1px 21px; position: relative; text-align: left; top: 9px; word-break: break-all"\u003e\n\u003cp\u003e长征十二号运载火箭有哪些特点？一起来揭秘\u003c/p\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003cp class="text_align-justify" data-source="cke"\u003e长征十二号运载火箭由中国航天科技集团有限公司八院抓总研制，火箭全长约62米，采用二级构型设计，是我国首型4米级运载火箭，也是\u003cstrong data-source="cke"\u003e目前我国运载能力最大的单芯级运载火箭，\u003c/strong\u003e近地轨道运载能力不少于12吨、700公里太阳同步轨道运载能力不少于6吨。4米级直径设计可实现箭体直径与发动机数量的最佳适配，一级采用4台推力130吨级的泵后摆液氧煤油发动机，进一步提高运载火箭的运载系数。\u003c!--MID_AD_0--\u003e\u003c!--EOP_0--\u003e\u003c/p\u003e\u003c!--MID_ARTICLE_AD_0--\u003e\u003c!--PARAGRAPH_0--\u003e\n\u003cp\u003e\u003c!--IMG_0--\u003e\u003c/p\u003e\n\u003cp class="text_align-justify" data-source="cke"\u003e长征十二号运载火箭积极创新，\u003cstrong data-source="cke"\u003e实现我国在运载火箭领域的多个“首次应用”，\u003c/strong\u003e突破了包括健康诊断管理、牵制释放、液氧相容的冷氦增压、铝锂合金贮箱、全三平无人值守等一系列新技术攻关。\u003c/p\u003e\n\u003cp\u003e\u003c!--IMG_1--\u003e\u003c/p\u003e\n\u003cp class="text_align-justify" data-source="cke"\u003e长征十二号运载火箭在设计中融入产品化思路，整流罩标配4.2米、5.2米直径，可根据不同任务进行多尺寸适配。此外，火箭采用“三平测发模式”，可\u003cstrong data-source="cke"\u003e进一步缩短火箭在技术区和发射区的工作时间，提高发射准备工作效率。\u003c/strong\u003e\u003c!--MID_AD_1--\u003e\u003c!--EOP_1--\u003e\u003c/p\u003e\u003c!--MID_ARTICLE_AD_1--\u003e\u003c!--PARAGRAPH_1--\u003e\n\u003cp class="text_align-justify" data-source="cke"\u003e\u003cstrong data-source="cke"\u003e长征十二号运载火箭已经做好进入高密度发射状态的准备，\u003c/strong\u003e将有效提高我国太阳同步轨道入轨能力和低轨星座组网能力，助力我国航天运输体系高质量发展。\u003c/p\u003e\n\u003cp\u003e\u003c!--IMG_2--\u003e\u003c/p\u003e\n\u003cp class="text_align-justify" data-source="cke"\u003e本次发射任务，实现了我国火箭发动机单模块内推力最大构型\u003cstrong data-source="cke"\u003e首飞\u003c/strong\u003e、130吨级泵后摆液氧煤油发动机\u003cstrong data-source="cke"\u003e首飞\u003c/strong\u003e、二级双机并联液氧煤油发动机两次启动状态\u003cstrong data-source="cke"\u003e首飞\u003c/strong\u003e、液氧煤油发动机推进剂——煤基航天煤油的\u003cstrong data-source="cke"\u003e首次使用\u003c/strong\u003e，并且，配备有由航天科技集团六院研制的加注供气系统和喷水降噪系统的海南商业航天发射场也迎来\u003cstrong data-source="cke"\u003e首秀\u003c/strong\u003e闪耀登场。\u003c!--MID_AD_2--\u003e\u003c!--EOP_2--\u003e\u003c/p\u003e\u003c!--MID_ARTICLE_AD_2--\u003e\u003c!--PARAGRAPH_2--\u003e\n\u003cdiv class="cms-cke-widget-title-normal-3 cms-cke-widget-title-tpl cms-cke-widget-title-wrapper cms-cke-widget-tpl" data-key="title-normal-3" data-reactroot="" style="align-items: center; box-sizing: border-box; display: flex; font-size: 19px; font-weight: bold; justify-content: flex-start; margin-bottom: 26px; margin-top: 28px; width: 100%"\u003e\n\u003cdiv class="cms-cke-widget-title-container" style="display: inline-block; position: relative; z-index: 9"\u003e\n\u003csection class="icon" style="background-image: url(https://inews.gtimg.com/om_bt/OX7Z_nbbTaKtViCWODDbOU1wckRuvY_TA8hQbw9qZcZmIAA/0); background-position: center; background-repeat: no-repeat; background-size: cover; display: inline-block; height: 48px; left: 0px; margin-right: 4px; position: absolute; top: -5px; width: 48px" data-no-dark="true"\u003e \u003c/section\u003e\n\u003cdiv class="cms-cke-widget-title-wrap title-normal-3-text" style="color: #0d141e; display: inline-block; line-height: 26px; min-width: 4px; padding: 1px 12px 1px 21px; position: relative; text-align: left; top: 9px; word-break: break-all"\u003e\n\u003cp\u003e零的突破！首个商业航天发射场首发成功\u003c/p\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003cp class="text_align-left" data-source="cke"\u003e海南商业航天发射场由海南国际商业航天发射有限公司投资建设、运行管理，从动工到首发878天全面完成建设并成功实现首发。此次首发是\u003cstrong data-source="cke"\u003e新工位、新火箭、新机制、新团队\u003c/strong\u003e的首发，挑战巨大。首发采用远距离测发控方式，后端地面测发控设备集中在测控大楼，测发指挥在发射场二号测发大厅。执行首发任务的二号发射工位，是我国首个通用中型液体工位，适配3.35—5米范围内直径近20个型号火箭的发射需求，采用水平组装、水平测试、水平转运的“三平”快速测发模式，为实现高效率发射打下了坚实基础；火箭转场工位最快3天可发射，发射后最长7天可恢复状态。\u003c!--MID_AD_3--\u003e\u003c!--EOP_3--\u003e\u003c/p\u003e\u003c!--MID_ARTICLE_AD_3--\u003e\u003c!--PARAGRAPH_3--\u003e\n\u003cp class="text_align-left" data-source="cke"\u003e\u003cstrong data-source="cke"\u003e海南商业航天发射场建成并成功首发，填补了我国没有商业航天发射场的空白，\u003c/strong\u003e完成了星箭制造、商业发射场测试发射，以及卫星数据应用服务的商业航天全产业链闭环，提升了我国航天发射能力，也为我国民、商大规模低轨星座组网任务等空间基础设施工程建设，提供强有力的发射保障。\u003c!--MID_AD_4--\u003e\u003c!--EOP_4--\u003e\u003c/p\u003e\u003c!--MID_ARTICLE_AD_4--\u003e\u003c!--PARAGRAPH_4--\u003e\n\u003cp\u003e\u003c!--IMG_3--\u003e\u003c/p\u003e\n\u003cp class="text_align-justify" data-source="cke"\u003e在海南商业航天发射场的建设中，航天科技集团一院采用EPC总承包模式承担了发射区加注供气系统、发射工位部分建设等工作，还负责了海南商发的智慧发射场系统建设工作，让发射场测试发射流程更加智慧、高效。\u003c/p\u003e\n\u003cp class="text_align-justify" data-source="cke"\u003e本次发射是长征系列运载火箭的第548次发射，卫星互联网技术试验卫星由银河航天研制，技术试验卫星03星由航天科技集团五院抓总研制。\u003c/p\u003e\n\u003cp class="text_align-justify" data-source="cke"\u003e（总台央视记者 崔霞 王文昌 李宁 陶嘉树 魏安）\u003c/p\u003e\n\u003cp class="text_align-justify" data-source="cke"\u003e\u003cstrong data-source="cke"\u003e \u003c/strong\u003e\u003c/p\u003e\n\u003cp class="text_align-justify" data-source="cke"\u003e\u003cspan class="font_size-16px" data-source="cke"\u003e\u003cspan class="color-a4acb6" data-source="cke"\u003e©2024中央广播电视总台版权所有。未经许可，请勿转载使用。\u003c/span\u003e\u003c/span\u003e\u003c/p\u003e\n\n\u003cstyle\u003e.rich_media_content{--news-tabel-th-night-color: #444444;--news-font-day-color: #333;--news-font-night-color: #d9d9d9;--news-bottom-distance: 22px}.rich_media_content p:not([data-exeditor-arbitrary-box=image-box]){letter-spacing:.5px;line-height:30px;margin-bottom:var(--news-bottom-distance);word-wrap:break-word}.rich_media_content{color:var(--news-font-day-color);font-size:18px}@media(prefers-color-scheme:dark){body:not([data-weui-theme=light]) .rich_media_content p:not([data-exeditor-arbitrary-box=image-box]){letter-spacing:.5px;line-height:30px;margin-bottom:var(--news-bottom-distance);word-wrap:break-word}body:not([data-weui-theme=light]) .rich_media_content{color:var(--news-font-night-color)}}.data_color_scheme_dark .rich_media_content p:not([data-exeditor-arbitrary-box=image-box]){letter-spacing:.5px;line-height:30px;margin-bottom:var(--news-bottom-distance);word-wrap:break-word}.data_color_scheme_dark .rich_media_content{color:var(--news-font-night-color)}.data_color_scheme_dark .rich_media_content{font-size:18px}.rich_media_content p[data-exeditor-arbitrary-box=image-box]{margin-bottom:11px}.rich_media_content\u003ediv:not(.qnt-video),.rich_media_content\u003esection{margin-bottom:var(--news-bottom-distance)}.rich_media_content hr{margin-bottom:var(--news-bottom-distance)}.rich_media_content .link_list{margin:0;margin-top:20px;min-height:0!important}.rich_media_content blockquote{background:#f9f9f9;border-left:6px solid #ccc;margin:1.5em 10px;padding:.5em 10px}.rich_media_content blockquote p{margin-bottom:0!important}.data_color_scheme_dark .rich_media_content blockquote{background:#323232}@media(prefers-color-scheme:dark){body:not([data-weui-theme=light]) .rich_media_content blockquote{background:#323232}}.rich_media_content ol[data-ex-list]{--ol-start: 1;--ol-list-style-type: decimal;list-style-type:none;counter-reset:olCounter calc(var(--ol-start,1) - 1);position:relative}.rich_media_content ol[data-ex-list]\u003eli\u003e:first-child::before{content:counter(olCounter,var(--ol-list-style-type)) '. 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