The research on virtual prototype for interfacing apparatus of DSRV has efficient means to improve apparatus quality, shorten research cycle and cut down expenses.
深潜救生艇水下对接装置虚拟样机的研制，对装置的改进和提高、缩短研制周期和减小经费支出都具有很大意义。
Most North-American business travelers go by airplane, although some companies use the train for short distances to cut down on OCS expenses.
绝大多数北美人出差都乘飞机，只有少数公司在短途旅行时要求出差人乘坐火车来减少公务费用。
The Edwards should cut down on their living expenses.
爱德华一家应该缩减生活开支。
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