speed rate

基本解释

The invention provides a system and technology for changing speed rate of video playback.
本公开内容包括涉及改变视频回放速度比率的系统和技术。
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Double wire automatic submerged arc welding is a welding method with high melt applying speed rate, high welding speed, low heat input.
单电源双丝埋弧自动焊是一种高熔敷速率、高焊接速度、低热输入的埋弧焊方法。
Implementing persistence of raw video in radar raster-scan-display is harder than in random-scan-display, especially in displays that have high-speed rate of raw video data.
雷达光栅扫描显示器显示一次视频信号时，实现类似随机扫描体制中的余辉显示是一个难点，特别对于一次视频数据率较高的雷达显示器更加难以实现。

This is the starting speed, that's the rate at which it is gaining velocity, and that's how long it's been gaining it.
这是起始时的速度,这是速度的增长速率,这是加速的时间
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The angle is increasing at a steady rate, so we know it's going at a steady speed.
转过的角度以恒定速率增加,所以我们知道它以一个恒定的速度运动
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It's gaining speed at some rate a.
速度的增长速率为a
耶鲁公开课 - 基础物理课程节选

To this end, Aerovironment is working on a system of miniature gyroscopes and air-flow detectors to measure Black Widow's speed and rate of turn.
ECONOMIST: A personal eye in the sky