second speed

At the speed and height at which he was moving, he was never more than half a second from disaster.

以这样的速度在这么高的地方移动，他离灾难始终只有半步之遥。

Her orbital speed must be a few hundred meters per second.

其轨道速度一定是在每秒几百米。

The difference between actual steady running tape speed, averaged over a period of 1 second or greater, and nominal tape speed, expressed as tolerance percentage on tape speed.

稳定在1秒钟以上的时间内的实际运行带速与正常带速之差，用带速的容许偏差的百分数表示。

A second order filter is used to smooth the speed reference signal, and the perfect non-overshooting speed tracking is achieved.

采用二阶滤波环节平滑速度指令，实现了理想无超调的快速速度跟踪控制。

Your orbital speed would be roughly 3 meters per second, which is a typical jogging speed.

你的轨道速度大约在每秒3米左右，也就是平常慢跑的速度。

The camera has a shutter speed of one-sixtieth of a second.

这架照像机的快门速度达六十分之一秒.

Say you fire the arrow at 85 meters per second. That's about twice the speed of a major-league fastball, and a little below the 100 m/ s speed of arrows from high-end compound bows.

假设你以每秒85米的速度射出一支箭，这个速度差不多是棒球大联盟飞得最快的快球速度的2倍，和高端复合弓射出的每秒100米的箭相比还差一点。

Her orbital speed must be a few hundred meters per second

其轨道速度一定是在每秒几百米。

The second, according to the work request of the cargo winch of alternating three-speed change-pole speed-adjusting, this paper is to determine adopting the method of the PLC control;

第二，根据交流三速变极调速起货机的工作要求，确定采用PLC控制的方法，进行控制系统的硬件设计和软件设计，并分析工作原理；

In this paper, the Mach number control system in NF-6 wind tunnel is introduced, especially in detail for the compressor rotary speed control sub-system, the compressor stator vane control sub-system and the second throat control sub-system. angle.

笔者介绍了NF6风洞马赫数控制系统的组成、特点及运行方式，对转速控制子系统、压缩机静叶角控制子系统、二喉道栅指控制子系统等进行了较为详细的介绍。