This is a simulation of the real feeling of free fall, and his height is only one or two meters high, very suitable for beginners to experience.

这种是一种模拟真实的自由落体那种感觉，而且他的这个高度只有一两米高，非常适合初学者体验。

youdao

This meant that for the drop-test we were able to let the Panasonic free-fall from a height of three feet, while the GammaTech was dropped from a somewhat less realistic (in terms of likely real-world falls) one foot.

ENGADGET: Durable faceoff and torture test: Panasonic's Toughbook 30 vs. GammaTech's Durabook D15RP