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- The Planar Quintic Polynomial Systems with a Four-point Heteroclinic Cycle and a Homoclinic Cycle Coexist 具有四点异宿环和同宿环共存的平面五次多项式系统
- The pedal of a cycle is attached to a crank. 自行车的踏板与曲柄相连。
- heteroclinic cycle 异宿环
- It's easier to cycle with the wind behind you. 顺风骑车省力。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- The seasons of the year make a cycle. 一年四季构成一个循环。
- The business cycle experienced a sudden down. 商业周期经历了突然的萧条。
- This is the cycle of economic booms and slumps. 这是经济繁荣和经济萧条的周期变化。
- Cycle across America? Sounds a bit dodgy to me. 骑自行车横越美国? 听起来有些冒险。
- The pedals of a cycle are attached to a crank. 自行车的踏板与曲柄相连。
- The pedals of a cycle are attached to the crank. 自行车的踏板与曲柄相连。
- Her latest stunt is riding a motor cycle through a ring of flames. 她的最新特技表演是骑摩托车钻火圈。
- The engine cycle during which this process occurs. 压缩周期上述机器压缩过程的周期
- I had to cycle all the way to work against the wind. 我不得不一路顶着风去上班。
- I am unable to cycle to school because my bicycle is broken. 我不能骑车上学，因为我的自行车坏了。
- He studied the cycle of events leading to the Great Depression. 他研究了导致大萧条的一系列事件。
- The business cycle is a series of peaks and troughs. 商业周期就是淡旺期交替。
- Plankton that remains free-swimming through all stages of its life cycle. 终生浮游生物一种在其生命的所有阶段可自由游动的浮游生物
- Then he set up his business as a cycle repairer. 随后他在这片荒地上创立了自己的修车摊生意。
- A cow's estrus cycle averages 21 days. 母牛的发情周期平均为21天。
