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under command

航空 керо́ваний
 英语 词库
under command
航空 An aeroplane on the surface of the water is 'under command' when it is able to execute manoeuvres as required by the International Regulations for Preventing Collisions at Sea for the purpose of avoiding other vessels.
under command
: 11 短语, 4 学科
一般3
军队2
法律1
航空5