Each CAM must revolve once during the four-stroke cycle to open a valve.
在四行程循环时，每凸轮必须旋转打开一阀门。
Slow speed diesel engines are large, especially tall, and heavy and operate on the two-stroke cycle.
低速柴油机是体积较大、缸体较长、机身较重的二冲程柴油机。
In a stroke cycle the minimum speed of boat exists in drive phase, but the maximum exists in recovery phase.
一个划桨周期优秀运动员的最小艇速都是出现在拉桨前段，最大艇速都是出现在推桨阶段。
If it needs only two strokes to complete a cycle, it is called a two-stroke cycle engine or, for short, a two-cycle engine.
如果发动机完成一个工作循环，只需要两个行程，就称为两冲程循环发动机，或者简称两冲程发动机。
They also recorded the kick rate (kicks per stroke cycle) and to keep the study fair the order of the tests was randomised.
他们还记录了踢水频率。为使研究公平，试验的次序被随机打乱。
In summary, this paper has a certain guide to the design of air-port structure of the uniflow-scavenged two-stroke cycle diesel engines.
总之，本文的工作对二冲程直流扫气柴油机的气口结构方面的设计具有一定的指导意义。
Some swimmers kick with a six-beat kick in freestyle (six kicks for each stroke cycle), while others use a two-beat kick or a four-beat kick.
有些游泳运动员自由泳做6次打腿(一个完整的自由泳划手周期内作6次打腿)，但有些运动员则作两次或者四次。
Gas turbine engines use the Brayton cycle. Wankel rotary engines use the Otto cycle, but they do it in a very different way than four-stroke piston engines.
转子活塞发动机用的是四冲程循环，但是它们和四冲程活塞发动机有很大不同。
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。
With the piston now at BDC and all the gases having been burnt, it is important to remove all the burnt gases from the cylinder on the fourth and final stroke of the cycle of operations.
随着活塞现在位于下止点且所有气体已经燃烧，重要的是要在工作循环的第四个即最后一个冲程中将所有的已燃废气从气缸中排出。
By adjusting the linkage to allow a power stroke that is longer than the compression stroke, the engine can achieve greater efficiency than with the Otto cycle engine.
通过调整挂钩，使权力中风，比压缩冲程长，发动机可以达到，但与奥托循环发动机的效率。
At the beginning of the third stroke of the cycle of operations, the piston is once again at TDC, the crankshaft having turned through one full revolution.
在工作循环的第三个冲程开始，活塞再次位于上止点，曲轴已经旋转了一整周。
Otto built the practical four-stroke internal combustion engine called the "Otto Cycle Engine, " and as soon as he had completed his engine, he built it into a motorcycle.
奥托制造了第一台实用的四冲程内燃机，叫做“奥托循环发动机”，并且当完成制造他的发动机后他就把发动机安装在摩托车上。
Four-stroke engines of this type with this same type of intake valve motion but with a supercharger to make up for the loss of power density are known as Miller cycle engines.
四冲程发动机本与此同进气阀运动类型的类型，但以使增压器的功率损耗密度，这些都是为米勒循环发动机众所周知的。
Methods 50 patients with certain acute stroke, use LOTCA to evaluate their cognitive function, the evaluate cycle is half month, 1 month, 2 months and 3 months since the onset, amount to 4 times.
方法确诊急性脑中风患者50例，应用洛文斯顿治疗用认知评定成套测验（LOTCA）评定其认知功能，评定周期为发病后半月、1月、2月、3月，共4次；
The size, weight, and cost of the engine per horsepower are therefore less, and two-stroke-cycle engines are used in motorcycles and smaller machines (e. g. , lawnmowers and power rakes).
因此，每马力所要求的机器尺寸、重量和价格成本也就降低了，所以二冲程循环发动机多用于摩托车和小型机器（如割草机和动力耙）。
Conclusion: Using the AFO in the early time can contribute to the improvements of gait cycle and its phases in the hemiplegic stroke patients.
结论早期使用A FO可以促进脑卒中偏瘫患者步态周期及各时相的改善。
The four strokes in the four-stroke-cycle engine, in their proper order, are intake, compression, power, and exhaust.
四冲程循环发动机中，四个冲程的固定顺序是：进气、压缩、作功和排气。
While a modified Otto cycle engine using the "Atkinson cycle" provides good fuel economy, it is at the expense of a lower power-per-displacement as compared to a traditional four-stroke engine.
虽然修改奥托循环发动机使用“阿特金森循环”提供良好的燃油经济性，这是比较传统的四冲程发动机在一个较低的功耗，每位移费用。
A 2-stroke engine also goes through four actions to complete one operating cycle.
两冲程发动机也经过四次行动完成一个工作循环。
The 4-stroke engine is also called Otto cycle engine, in honor of the German engineer, Dr. Nikolaus Otto, who first applied the principle in 1876.
在四冲程发动机也叫奥托循环发动机，在荣誉的德国工程师，博士尼古拉·奥托，谁第一个适用的原则，在1876。
In the 4-stroke engine, four strokes of the piston in the cylinder are required to complete one full operating cycle.
在四冲程发动机，四冲程汽缸中的活塞需要完成一个工作循环。
In the 4-stroke engine, four strokes of the piston in the cylinder are required to complete one full operating cycle.
在四冲程发动机，四冲程汽缸中的活塞需要完成一个工作循环。
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