每个字符都是一个开或关的设定。

Each character is an off or on setting.

youdao

实现依赖于选项的二进制状态(开或关)。

The implementation relies on a binary state of the option (on or off).

youdao

火箭发动机给汽车提供大量的动力，但是操作它只是开或关。

The rocket gives the car plenty of power, but it is either on or off.

youdao

The thermos, with the lid on top, It's not a open system your coffee is going to stay warm or hot in the thermos.

顶部盖了盖子的热水瓶，不是开系,你希望你的咖啡在热水瓶里面保持温暖,或滚烫。

麻省理工公开课 - 热力学与动力学课程节选

system is the opposite of the open system, no mass and no energy can flow through the boundary.

孤立系与开系正相反，没有质量或能量,能流过它的边界。

麻省理工公开课 - 热力学与动力学课程节选

He is riding from the ships or wherever he is from the camp to the battlefield.

他们开着战车从任何地方,船或营地一路到达战场

耶鲁公开课 - 古希腊历史简介课程节选