A | The Supreme Court of India on Wednesday refused to issue a blanket ban on demolitions across states, arguing that such a move would curtail the rights of municipal authorities.,The observation by the top court came while hearing a petition filed by the Muslim organization Jamiat Ulama-i-Hind, where it alleged that the demolition drive was being carried out by the Uttar Pradesh state government to target minority members and sought directions from the top court for the state authorities to stop further demolition of properties.,The apex court, meanwhile, has sought replies from the state governments of Madhya Pradesh and Gujarat, where recent demolitions have drawn criticism. Earlier, the court issued a notice to Uttar Pradesh in this regard.,Responding to the notice, the Bharatiya Janata Party (BJP)-governed state said that the demolition drives were carried out while following due course of the law, and that it was a routine exercise to remove encroachments.,Video: Violent Clashes Between Locals and Police During Anti-Encroachment Drive in Bihar3 July, 11:23 GMT,Violence erupted in several parts of the state, including Kanpur and Prayagraj cities, on June 2 and June 10 over BJP politicians' controversial remarks about the Prophet Muhammad. Following the unrest, the Uttar Pradesh government razed the house of Javed Mohammed, the main accused in the violence in Prayagraj, claiming illegal construction.,Want to know more? Check out our Koo & Telegram accounts!,Koo: https://www.kooapp.com/profile/sputniknews,Sputnik India: https://t.me/sputniknewsindia。
B | 该卫星主要用于为用户提供高质量的话音、数据、广播电视传输服务。发射现场。屠海超、黄国畅、魏来 摄长征七号改运载火箭由中国航天科技集团有限公司所属中国运载火箭技术研究院（以下简称“火箭院”）抓总研制，是我国新一代中型运载火箭的主力构型，是在长征七号运载火箭和长征三号甲系列运载火箭三子级基础上、通过组合化设计形成的高轨三级液体捆绑式运载火箭，地球同步转移轨道运载能力不低于7吨，填补了我国运载火箭地球同步转移轨道5.5至7吨运载能力的空白，可适配直径4.2米和3.7米两种整流罩，具备一箭一星和一箭双主星发射能力。据长七改火箭主任设计师魏远明介绍，本次执行任务的长七改遥五火箭，采用整流罩直径4.2米的构型，全箭高度60.1米，与2021年3月12日发射的遥二火箭高度一致。
C | 长七改火箭作为我国首型采用助推器与芯一级集束式分离技术的捆绑火箭，相比通常先分离助推器、再分离芯一级的方式，减少了一次分离环节，使火箭捆绑连杆结构更加简化。同时，集束式分离也减少了一个助推器落区，整个组合体都在一个落区内，更加有利于控制火箭残骸落区。魏远明介绍，作为全低温火箭，长七改火箭也是目前我国模块数量最多的新一代火箭，由4个助推器、芯一级、芯二级和芯三级构成，部段较多且复杂。以前，需等所有部段都准备齐备，再一鼓作气完成垂直总装。这次任务中，团队将总装模式由“一气呵成”改为“随到随吊”，优化总装时间。此次是长七改火箭第四次执行发射任务，火箭状态正在逐步固化，同时为进入高密度发射阶段提前准备。魏远明介绍，型号队伍针对火箭技术设计进行了多项优化改进，在确保测试覆盖性的前提下，通过优化流程顺序、并行工作、合并测试等方法，将发射技术流程由32天缩减至26天，进一步提高了火箭发射效率，为火箭应对高密度常态化发射奠定了基础。据西昌卫星发射中心主任邓洪勤介绍，长七改发射任务准备期间，文昌发射场中星1E卫星、空间站梦天实验舱、天舟五号货运飞船同时在场，火箭、卫星、航天器均为重大型号，意义重大、责任重大。西昌卫星发射中心把航天发射和疫情防控一体筹划、一体组织、一体实施，针对发射场当前高密度任务特点，开展长征七号改火箭首次液氧煤油并行加注，将该型号火箭加注发射日任务流程时间缩短了近三分之一，持续提升执行高密度航天发射任务能力。此次任务是长征系列运载火箭第437次飞行。返回搜狐，查看更多责任编辑：
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