One or two optical units can be fitted into the cockpit to suit the number of crew members onboard the aircraft.
根据飞机驾驶员人数的不同,可以选择在座舱内安装一套或是两套光学系统。
None of the 147 passengers nor the unspecified number of crew members were injured.
机上147名乘客和数目不明的机组人员均未受伤。
Everything had to be prepared 24 hours ahead and I had to bear in mind the limited number of crew members and the restricted space.
一切都必须提前24小时准备,我必须要牢记人员和受限制的空间。
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