But by firing its three ion engines one at a time over 620 days — accumulating another 60 miles per each day — Dawn has reached its current astronomical speed and has no plans of slowing down.
但是在620天的时间里开动了三个引擎之一——再积累每天60英里——曙光号就已达当前的天文速度，而且没有减速的计划。
Driving a huge mass with a high speed to impact the tube of gun weapon is a feasible technology used to simulate the firing process.
采用高速大质量块撞击火炮身管是一种技术可行的火炮射击模拟试验方法。
And easy firing, stable burning, and comparatively large increasing of characteristic speed are demonstrated by combustion experiment.
燃烧试验易于点火，能稳定燃烧，特征速度有较大提高。
Misfiring of the ideal first firing cycle has a strong effect on HC and start-up speed in cold start.
发动机理想的首次着火循环失火对起动时的HC排放和转速影响最大。
With the improvement of unit load and parameters of the power plant, coal-fired power plant USES medium speed mill direct-firing pulverizing system in common.
随着火电机组容量和参数的不断提高，火电厂普遍采用中速磨直吹式制粉系统。
The utility model has the advantages of good firing effect, fast heat transferring speed, and high heat utilization.
具有燃烧效果好、传热快、热利用率高等优点。
In a broad range of speeds, the firing rates of these cells depend on the changes of speeds over time (acceleration) but not on speed per se.
即使速度变化范围很大，顶盖前细胞的放电频率也与速度无关，但却依赖速度在时间上的变化(加速度)。
In a broad range of speeds, the firing rates of these cells depend on the changes of speeds over time (acceleration) but not on speed per se.
即使速度变化范围很大，顶盖前细胞的放电频率也与速度无关，但却依赖速度在时间上的变化(加速度)。
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