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- biological cycle of substances 物质生物循环
- biological cycle of toxic substances 有毒物质生物循环
- 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。
- Functional coefficient of biological cycle: FCBC. 生物循环功能系数。
- ADVANCES IN RESEARCH ON BIOLOGICAL CYCLE OF SE AND ACTIVE SE-CONTAINING SUBSTANCES 硒的生物循环及含硒活性物质研究进展
- 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。
- To this class of substances belong glass and wood. 属于这类物质的有玻璃、木材等。
- 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。
- 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。
- Composed of a variety of substances. 混杂的由各种不同物质构成
- You will ingest only the lightest of substances. 你只将摄取最轻的物质。
- A cycle of the sun takes a year. 太阳循环周期需要一年。
- On the Business Cycle of the New Economy in U.S. 美国新经济周期研究。
- The accumulation, allocation and biological cycle of the nutrient elements in Carex lasiocarpa wetland 毛果苔草湿地营养元素的积累、分配及其生物循环特征
- Later he became a man of substance. 后来，他成为颇具资产的人。
- Is the cycle of economic booms and slumps. 这是经济繁荣和经济萧条的周期变化。
- Nutrient Elements Biological Cycle of Undergrowth under Different Rotations of Continuously Planting Chinese Fir 不同栽杉代数林下植被营养元素的生物循环
- A year constitutes a cycle of the seasons. 一年由四季的周期循环组成
- A single complete cycle of such motion. 旋转一圈
- A single cycle of such a disturbance. 这种振动的一个周期
