At a particular level of decomposition, the aircraft appeared as an element, and was described as including the airframe, all the systems on board, and the crew.
在分解的一个特定层级上，航行器表现为一个元素，并且被描述为包括机身、所有板上系统以及机组人员。
2
Other applications now on sale include wireless home-security systems and wireless beacons for sailors to tell the crew when someone has fallen overboard.
其他待售的应用包括无线家庭安全系统和无线信标——让水手在有人落水时用其通知全体船员。
3
ICDS provides video feeds via a helmet mounted display (HMD) from multiple sensors and systems in the vehicle, which can be simultaneously viewed by all crew members.