格雷斯轻轻地敲卧室的门，然后进去了。

Grace tapped on the bedroom door and went in.

《柯林斯英汉双解大词典》

诺斯罗普·格鲁门公司与佐治亚理工学院合作，被授予了这份研发合同，负责微谐振器设备的初步设计、开发和测试。

Northrop Grumman, in partnership with Georgia Tech, was awarded a research and development contract for the preliminary design, development and testing of micro-resonator devices.

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诺斯罗普·格鲁门公司与明尼苏达大学获得一项协作导航算法初步设计的研究开发合同。

Northrop Grumman, in partnership with the University of Minnesota, was awarded a research and development contract for the preliminary design of collaborative navigation algorithms.

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