机理

First of all, the basic characters of wind are described and discussed in this paper. The mechanism by which wind effects on structures is depicted; the assumptive precondition for wind vibration analysis is illuminated based on hydromechanics.

本文首先就风的基本特性进行了必要的描述和探讨，叙述了风对结构物的作用机理，并从流体力学的观点出发，说明了进行风振分析的假设性前提。

Sequencing batch reactor for biological wastewater treatment has complex biochemical mechanism.Its inherent high nonlinearity,limited duration and astable running bring about exceptional difficulties in process monitoring.

序批式反应器生化污水处理系统具有复杂的生化反应机理，其固有的严重非线性、持续时间有限、非稳态运行等给其过程监视带来特殊困难。

Object: To explore the menchanism of treating asthenopia by Shipining Tablet.

中文摘要：目的：对中成药视疲宁片治疗视疲劳的作用机理进行探讨。

Object:To observe the effect of "Xiao Lao Yan Shu Ke Li" which usedon experimental asthenopia modal, and study the reasons.

目的：观察"消劳眼舒颗粒"对实验性树鼩肝劳模型睫状肌的影响，并探讨其作用机理。

It is necessary to study pathogenesis of asthma and to find out new therapy to treat it effectively.

因此有必要研究哮喘的发病机理，寻求新的治疗哮喘的方法。

From the view of developing the astigmatic ability of the roof underground construction, this article briefly discussed the mechanics and functions of support and reinforces to control the roof stability.

从提高地下结构顶板抗震能力的角度，简单探讨了控制顶板稳定的支护与加固的机理及作用。

The mechanism and dynamic model of ASVG is introduced in this article at first. Then the authors point to the problems of running and control of ASVG under asymmetric conditions of power system, and put forward the asymmetric expert PID control law. Under the experimental condition of 10%negative voltage, the simulated results are given.

论述了ASVG的工作机理和在系统电压对称时的动态数学模型，并针对系统电压不对称时ASVG的运行与控制问题，分析了系统电压不对称时的被控对象模型，提出了恒电压不对称专家PID控制方法，给出了系统有15%的负序电压时的仿真结果。

The work was the basis of further study of pathogenesis and treatment of friedreich ataxia.

本工作为研究Friedreich共济失调的致病机理及治疗方案奠定了一定的基础。

The mechanism of round atelectasis remains controversial.

球形肺不张的机理仍然存在争议。

The mechanism of round atelectasis remains controersial.

球形肺不张的机理仍然存在争议。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。