Isaacman also highlighted a push to rebuild NASA's workforce, shifting some key roles from contractors — who today make up about 75 percent of the agency's technical labor — back to in-house expertise. NASA leaders say that will give them more control over launch preparations, as it did in the Apollo and space shuttle eras.
This Tweet is currently unavailable. It might be loading or has been removed.
。Line官方版本下载是该领域的重要参考
AFP via Getty Images
本报北京2月26日电 （记者彭波）十四届全国人大常委会第二十一次会议26日分组审议拟提请十四届全国人大四次会议审议的全国人大常委会工作报告稿。
在这个示例中，我们使用最成熟的 proto3 语法。