The choice of landing area is one of the key works in landing action.
登陆地域选择是登陆作战中的关键工作之一。
A few minutes later the phone rang again. "The key works and I'm coming home now. ""
几分钟后,电话铃又响了。“车门打开了,我现在就回家。”
The reconstruction of shower core is one of the key works of cosmic ray experiment based on terrene.
簇射芯位重建是基于地面的宇宙线观测实验的关键工作之一。
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