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- Functional coefficient of biological cycle: FCBC. 生物循环功能系数。
- But because sunlight or other bright lights can reset the SCN, our biological cycles normally follow the 24-hour cycle of the sun, rather than our innate cycle. 但是由于日光和其它光线可以重新设定SCN，所以我们的生物钟周期通常是随着太阳的24时周期，而不是我们原本先天的周期时间。
- biological cycle of toxic substances 有毒物质生物循环
- Cyclic Economy brings the enterprises both great economic benefit and new ideas as concerns biologic cycle. 循环经济在给企业带来经济效益的同时,也带来了生态循环的理念。
- Plentiful supplies of clean air, fresh water, and fertile soil are regenerated endlessly and spontaneously by geological and biological cycles. 干净空气，淡水和肥沃的土壤的许多补给不断地而且自然地被地质学的和生物学周期再产生。
- Organic farming enhances biological cycles within the system so as to maintain long-term productivity. It avoids the use of synthetic fertilizers and pesticides, genetic engineering and radiation. 有机种植就是仿效大自然生生不息的循环，在过程中谢绝一切化学肥料及农药、基因改造及辐射。
- The pedal of a cycle is attached to a crank. 自行车的踏板与曲柄相连。
- Some biological molecules have the form of a helix. 有些生物分子呈螺旋状。
- Human biological rhythms are related to the natural cycle of day and night. 人的生物节奏与昼夜的自然循环有关。
- The school has a large biological laboratory. 这所学校有一个很大的生物实验室。
- 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
