first speed gear [机] 头档齿轮 ; 一速齿轮
first speed range 一速范围
first speed clutch 一速离合器
first speed forward 前进一速
first speed sliding gear 一速滑移齿轮
first speed clutch group 一速离合器组件
first speed planet gear bearing 一速行星齿轮轴承
Become the first Speed King of the World!
成为第一个速度天下的王!
First through a low velocity core, and then through a high velocity shell, where their speed is increased before they are transmitted into the surrounding seawater.
它们首先通过一个低速的核心,然后通过一个高速的外壳,在它们被输送进周围的海水之前,它们的速度提高了。
He was one of the first people to use high speed flash in bird photography.
他是鸟类摄影中最先使用高速闪光灯的人之一。
He says a new system is needed to meet the speed and complexity of a twenty-first century global economy.
VOA: special.2009.06.19
c We know it's very specific for light because in this equation is c, the speed of light. So any time you go to use this equation, if you're trying to use it for an electron, just ask yourself first, does an electron travel at the speed of light?
我们知道它只对光适用是因为在这个方程里有,光速,所以下次你们用这个方程前,如果你们要把它用到一个电子上,先问问你自己,电子的运动速度是光速吗?
The first plane ever to fly faster than the speed of sound was the X-1 in nineteen forty-seven.
VOA: special.2010.07.07
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