题目

英语翻译
With increasing angle difference the rising edge is less steep and the time period of the section of rise is longer,while the time period of the full coverage is shorter.
With increasing angle difference the rising edge is less steep and the time period of the section of rise is longer,while the time period of the full coverage is shorter.Due to the noise floor,the resulting signal width contains only a variable percentage of the length of the time periods of rise and fall

提问时间：2021-01-30

答案

好像是客滚船的船桥或开合桥的液压装置,
随着角度的增大边缘的上翘也逐渐变缓,但上升的时间变长,而全部盖死的时间变短了,由于桥板是整块的,因此起落所需的时间相差不大.