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French authorities say school where teacher fatally stabbed evacuated over bomb alert_我的网站

A |     日报讯（记者王璐丹）8月19日，朱雀三号遥二运载火箭在东风商业航天创新试验区发射升空，火箭一子级按预定程序成功完成陆地回收，标志着我国在重复使用火箭关键技术上取得又一重大突破。    PARIS -- French authorities say a high school where a teacher was fatally stabbed in an attack last week has been evacuated over a bomb alert, as France’s president cut short travel plans abroad to host a security meeting Monday.The prefecture of the northern Pas-de-Calais region said the decision was made to evacuate the high school in Arras after police received a bomb threat via its website.A demining team was on site, the prefecture said, adding that “all precautionary and safety measures” are being taken until the site is clearedFrance is on heightened alert against feared terror threats following the stabbing incident.。

B | 此次任务中，中国电科网络通信研究院研制的车载安控地面设备首次投入实战应用，全程运行稳定，保障任务圆满成功。车载安控地面设备采用“两车一站”机动站方案，包含天线车和电子设备车，具备高度集成化和快速部署能力。设备的主要功能是在必要时完成安控指令的生成、调制，通过天线向目标发送出去，终止飞行，确保地面设施、人员的安全。无论是火箭发射还是回收，设备均能稳定跟踪，展现出极强的任务适应性。该设备是网通院研制的新一代车载安控设备，具备多种跟踪方式，采用射频直接采样技术，相较上一代安控设备，在设备可靠性、自动化程度、操作便捷性等方面均有显著提升。为保障新设备首次外场任务，项目总师赶赴火箭回收现场，驻守一线参与任务保障，其他负责人进行远程保障。前后方协同联动，确保设备在复杂环境下“跟得上、测得准”。据悉，该设备后续将正式列装东风商业航天创新试验区，为未来高频次发射及回收任务提供常态化保障。

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Published on:01:30:05