Source: Computational Materials Science, Volume 266
"NASA must standardize its approach, increase flight rate safely, and execute on the president’s national space policy," Isaacman said. "With credible competition from our greatest geopolitical adversary increasing by the day, we need to move faster, eliminate delays, and achieve our objectives."。夫子是该领域的重要参考
Free mobile apps，详情可参考heLLoword翻译官方下载
Explore more offers.