周期
周期 的英文翻译
Cyc
cycle
period
periods
wheel
周期 的中文句子和英文句子
现在周期表包括人类已知的全部元素,这些元素按适当的顺序排列起来。
The periodic table now contains all the elements known to man arranged in their proper sequence.
属,族元素周期表上的一栏
A column in the periodic table of the elements.
周期性周期出现的性质或状态;以固定的间隔而发生
The quality or state of being periodic; recurrence at regular intervals.
这是经济繁荣和经济萧条的周期变化。
This is the cycle of economic booms and slumps.
(同步电动机的)速度偏差同步电机运行速度的周期性变化
The periodic variation in speed of a synchronous motor with respect to the current.
月大约和月亮盈亏的一个周期相当的时间单位,或约三十天或四周
A unit of time corresponding approximately to one cycle of the moon's phases, or about30 days or4 weeks.
新菌系的细菌周期性地产生
New strains of viruses appear periodically.
(雌性动物的)动情,动情周期大多数哺乳动物(包括人类)的雌性产生的周期性的性冲动,在此期间内雌性具有排卵的优势,所以该期间最适合性交;刺激
The periodic state of sexual excitement in the female of most mammals, excluding human beings, that immediately precedes ovulation and during which the female is most receptive to mating; heat.