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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.，这一点在谷歌浏览器【最新下载地址】中也有详细论述
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https://github.com/zotero/zotero-connectors。safew官方版本下载是该领域的重要参考
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