下面的修改主要测量释放键的时间，并且提供一个实践击键的有用接口。

The modifications below focus on measuring just the key-release timings, as well as providing a useful interface for practicing keystrokes.

youdao

如选择手动启动方式：按手柄控制器上的上下键来提起砝码组合上升到测试高度，然后按释放键，进入测试状态。

Manual mode: press the up or down of handle controller to lift up weight group to the test height, then press release key to enter test status.

youdao

这样的操作包括按键 (NoteOn)，释放键件 (NoteOff)，更换合成器程序或者修补齿轮的设置或者移动齿轮来改变音符的音调。

These actions include things like depressing a key (NoteOn), releasing a key (NoteOff), changing a synthesizer program or patch setting and movement of a pitch wheel to alter a note's pitch.

youdao

We're going to release a lot of energy for bonding, it's going to more than make up for the fact that we actually had to spend some energy to promote that electron.

在成键时，会释放大量能量,这比补偿激发电子,的能量要多。

麻省理工公开课 - 化学原理课程节选