A two-stroke engine has no moving valves, and the spark plug fires each time the piston hits the top of its cycle.
二冲程发动机没有移动的阀，火花塞每次点火活塞到达循环顶端。
But look carefully, there are no lurches, pauses, hitches or dead spots in their stroke technique - they have excellent rhythm and timing, moving seamlessly from one phase of the stroke to the other.
但仔细观察，就会发现在他们的划水技术中，没有踉跄，没有暂停，更没有被钩住和死点——他们拥有优秀的节凑和时机，正无缝地从一个相位转到另一个相位。
He invented a new stroke for his lone rear leg moving it piston like from side to side to achieve both power and stability.
它创造了一种单条后腿跑跳的新方法，腿像活塞似地左右摆动，既有劲又稳定。
She will let us know what has not been done by moving her body about like a cat does when you stroke it.
当你抚摩它时，它就象一只猫一样移动身体，告诉你哪里做得还不够。
The scheme meets the test requirements on long stroke and high precision impact of electric impact platforms, and simultaneously supports and guides moving coils.
本方案解决了在对动圈支撑导向的同时，满足电动冲击台长冲程、高精度冲击的试验要求。
An inward stroke, especially a piston stroke moving away from the crankshaft.
内冲程向内的冲程，尤指从曲轴移回的。
A stroke or motion, as of a racket, made with the back of the hand facing outward and the arm moving forward.
反手击球如球拍等的一击或一动，手背向外，胳膊向前移动。
Stroke research is moving towards finding ways for more efficient prevention and more profound treatment strategies.
中风研究正朝着寻找更有效的预防和治疗策略的方式更为深刻。
It was believed that doing this would increase the length of your stroke as you were moving your hand on a longer pull-pathway under the body than if you pulled straight through.
这样被认为如此做将增加你的划手长度，当你在身体之下有个更长的划程和直划相比。
It was believed that doing this would increase the length of your stroke as you were moving your hand on a longer pull-pathway under the body than if you pulled straight through.
这样被认为如此做将增加你的划手长度，当你在身体之下有个更长的划程和直划相比。
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