In order to keep variations negligibly small, only small perturbations will be considered.

Perturbations of cardiac repolarization increase the risk for life-threatening arrhythmias and sudden cardiac death.

心脏复极过程的紊乱,会增高危及生命的心律失常及猝死的发生.

Perturbations of varied nature and time delays are unavoidable in real systems.

在实际系统中总是存在着各种干扰和一定的时滞.

From fluid equations, the differential equations governing the low frequency electrostatic perturbations are deduced.

从流体方程组出发, 导出了描述低频静电扰动的微分方程组.

All perturbations from normal, including vital signs and unusual symptoms, must be addressed.

必须排除对对正常所有状态如生命体征和异常症状的所有干扰.

Patterns and data of phase perturbations are given.

文中给出了计算实例及相位扰动量数据.

Angular perturbations tend to increase instead of decrease.

角扰动倾向于增加而不是减少.

This is the chief thing : not to be perturbed.

最要紧的一件事就是要沉住气.

Mother was much perturbed by my illness.

母亲为我的病甚感烦恼不安.

Never in his life had he been so perturbed.

他生平从没那么惊慌失措.

She had been perturbed by the premature announcement of his engagement.

她由于他过早地宣布婚约而心神不安.

The molecular electronic wave function is perturbed.

分子的电子波函数受到了微扰.

I was perturbed at such developments.

我为这事态的进展大为焦虑不安.

We were perturbed to hear of his disappearance.

我们听说他失踪了,都很不安.

She didn't seem to be perturbed by the setback.

她似乎并不为这次挫折感到不安.

Roland, in the electric-blue uniform, was perturbed.

罗兰, 穿着铁青色的制服, 惶惶不安.

She was much perturbed by her son's illness.

她被儿子的病弄得慌张不已.

There had been an incident which was perturbing.

曾经出了一点令人不安的事故.

What perturbs me is that magazine articles are so much shorter nowadays.

让我不安的是现在杂志文章都短多了。

Purpose To observe an immune response to acupoint injection of pertussis vaccine.

目的观察百日咳疫苗穴位注射的免疫应答.

Whooping cough is a serious respiratory disease caused by Bordetella pertussis.

百日咳是一种由百日咳杆菌引起的严重的呼吸系统传染病,百日咳疫苗是预防百日咳最有效和最经济的手段.