It can take a component as its argument, thus moving the focus up one traversal cycle to the component's traversal cycle.

它可以把一个组件作为它的参数，从而把焦点向上移动一个遍历循环到该组件的遍历循环。

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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。

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Bus lanes are important to keep traffic moving and encourage people to take the bus or cycle instead of driving.

公共汽车道对维持交通舒畅起着很重要的作用，它鼓励人们乘坐公共汽车或骑单车代替开车。

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So you can get your emails in early, with your ideas, with your thoughts about how we keep moving forward to create this virtuous cycle.

WHITEHOUSE: President Obama Addresses U.S. Chamber of Commerce

The Amazon forest provides a relevant example: due to the interaction of deforestation, fire and climate change, it is predicted that the Amazon could undergo a widespread dieback in the future, with parts of the forest moving into a self-perpetuating cycle of more frequent fires and intense droughts, leading to a shift to savanna-like vegetation.

FORBES: The Future of Life On Earth: A Two-Part Discussion

Moving to a year round product release cycle should deliver Apple a number of benefits.

FORBES: Why Did Apple Disrupt Their Release Schedule With The 128 GB iPad?