早期的设想是用计算器来计算包括截止阀和换色涂抹装置在内的仪器，然而这项设计最终才用了自动弹跳机理结构，原因是易于操作。

Early ideas to counter these issues included cut-off valves and colour-changing paint, but the designer settled on the pop-up mechanism, because of its ease of use.

youdao

检查自动给水系统的止回阀，截止阀等各阀是否正确开启或关闭。

Examine the check valve, cut off valve of auto water supplying system see if open or close correct.

youdao

该摄像机配有一个环境光线传感器和一个可拆卸的红外截止滤光片，且该摄像机可以再白天和夜间模式之间自动切换。

Thee camera has an ambient light sensor and a removable infra-red cut filter and can automatically switch between dayand night mode.

youdao