Space Policy Directive-3 lays out general guidelines for the United States to mitigate the effects of space debris and track and manage traffic in space.
《空间政策指令3》为美国制定了一般性指南，以减轻空间碎片的影响以及跟踪和管理太空交通。
2
He'll hold the post of consul general for the United States at Shanghai.
他将就任美国驻上海总领事的职务。
3
He'll hold the post of consul general for the United States in Shanghai.