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to phrases
return time
math. 回收时间; 回收周期
tech. 回描时间; 倒转时间
telecom. 回程时间; 复原时间; 回扫时间
wind. 回复时间
return time: 48 phrases in 16 subjects
Air defense1
Aviation5
Business5
China1
Commerce1
Economy6
Electronics2
Finances5
General3
International trade1
Mathematics1
Oil processing plants1
Project management1
Securities5
Shipbuilding1
Technology9