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- 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。
- His area of concentration is nuclear physics. 他的专门研究范围是原子物理学。
- The drug affects one's power(s) of concentration. 这种药影响人精神不能集中。
- 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。
- Keywords Water Balance;Cycle of concentration;Auto - blowdown; 水平衡;浓缩倍数;自动排污;
- Stress and tiredness often result in a lack of concentration. 紧张和疲劳常使人精神不集中。
- 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。
- Is the cycle of economic booms and slumps. 这是经济繁荣和经济萧条的周期变化。
- A year constitutes a cycle of the seasons. 一年由四季的周期循环组成
- An exam demands a high level of concentration. 考试时需要全神贯注。
- A single complete cycle of such motion. 旋转一圈
- The drug may affect your powers of concentration. 这种药可能会影响你的注意力集中。
- A single cycle of such a disturbance. 这种振动的一个周期
- This book requires a great deal of concentration. 这本书需要全神贯注才能读懂。
- One cycle of processing a body of data. 处理数据体的一个周期。参阅sortpass。
- He is a boy with little power of concentration. 他是个注意不易集中的男孩。
- The life cycle of clay is limited. 它的使用周期是有限的。
- The life cycle of Sparganum is unknown. 无头蚴（绦虫）属的生活史尚不了解。
- He has great powers of concentration. 他注意力很集中。
