周期性的

In some cell lines there is a similar periodicity in changes of cell surface antigenicity or response to wheat germ agglutinin.

在某些细胞系中，细胞表面抗原性或对表胚凝集素的反应方面有相近似的周期性变化。

Results 21 death patients caused by Graves' disease, including 8 males and 13 females, whose age was from 31 to 65 years, were investigated. There are 4 cases with thyroid storm, 17 cases with hyperthyroid heart disease, 3 cases with agranulocytosis, 2 cases with cerebral brain infarction, and 1 case with periodic paralysis when admitted to the hospital.

结果 以Graves病为原发病死亡的患者共21例，其中男8例，女13例，年龄31~65岁，并发症有：甲状腺危象4例，甲亢性心脏病17例，粒细胞缺乏症3例，脑梗死2例，周期性麻痹1例。

OBJECTIVE: To explore effects of cyclical air-pressure culture on proliferation, activity and cell cycle of rabbit BMSCs.

目的：探讨周期性压力培养对兔骨髓间充质干细胞增殖活性及细胞周期的影响。

Most of the sequences are aperiodic with recurrence intervals varying from a few minutes to hundreds of days.

大部分相似地震的活动表现为非周期性，重复间隔从数分钟到数百天不等。

It is found that the spectrum has the chaotic features in time domain-long range independence and aperiodicity.

通过频谱分析，发现载荷谱具有混沌信号在时域上的特征——长程不相关性及非周期性。

A canister purge valve is opened periodically to vent the vapor back into induction system.

收集器的清除阀周期性地开启，泄放蒸气使之返回进气系统。

Objective To observe and analysis the binocular vision before and after operation and the surgery time for cyclic esotropia.

目的 观察和分析周期性内斜视手术前、后双眼视觉及其手术时机的选择。

Releasing ambitious, serious films into theaters has become a brutal blood sport, while going to watch them has become, for the most part, a seasonal activity.

在电影院上映大片成了一项残酷的流血比拼，而前去观影则在极大程度上成了一项周期性活动。

Such stars periodically wax and wane in brightness: the longer a cepheid's period the bigger and brighter it is.

这类星的亮度有周期性盈亏：周期越长，该造父变星体积就越大，亮度也越高。

Circadian rhythms and other cyclical behaviors are more complex examples of behavior tuned to the environment.

昼夜节律和其他周期性行为更为复杂的例子行为调整到环境中。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷