你的位置:pc28官网 > 加拿大pc28官方在线预测 > 加拿大pc28官网网址 Update: China launches first reusable, returnable test satellite
发布日期:2025-01-02 00:00 点击次数:153
BEIJING, Sept. 27 (Xinhua) -- China sent its first reusable and returnable test satellite, Shijian-19加拿大pc28官网网址, into space on Friday, using a Long March-2D rocket for the launch.
The rocket blasted off at 6:30 p.m. (Beijing Time) from the Jiuquan Satellite Launch Center in northwest China.
The Shijian-19 satellite has realized a number of technological breakthroughs, and will significantly enhance the technical level and application efficiency of China's returnable satellites.
Researchers will also use the reusable satellite to carry out space experiments and promote the development and application of new space technologies加拿大pc28官网网址, contributing to such fields as microgravity science and space life science.
The satellite will also conduct space breeding experiments to accelerate germplasm resource innovation.
Shijian-19 is carrying payloads from five countries, including Thailand and Pakistan, to carry out extensive international cooperation.
It was the 537th flight mission of the Long March series rockets. ■
藩王制度设立之初,朱元璋赐予子弟们极高的军政事物权重。不仅可以靠自己的封地大肆敛财,还能豢养只听自己指挥的军队,甚至对官府决策指手画脚。若国家有难则倾巢而出,但在和平时期又不可避免的成为灾祸本身。
编者按:在冷研之前的《塞琉古帝国阿里乌斯河之战:国王的牙都被打掉加拿大pc28官网网址,却一战赢得中亚霸权》一文中,我们介绍了阿里乌斯河战役的来龙去脉。近来又有朋友提问:希腊巴克特里亚王国作为一个“号称千城之国”、以农业及贸易为主的王国,为什么能动员出如此大规模的骑兵投入战斗呢?这其实与巴克特里亚地区悠久的骑兵传统有密切关系,本文便从巴克特里亚地区的历史入手,介绍巴克特里亚及周边地区的骑兵传统与本土骑兵的装备战力情况。(一)东方骑邑:波斯及继业者对巴克特里亚骑兵的使用