查询词典 fluctuation

Study result indicates that the healthy of ecoeconomic system is an upward tendency year by year from 1980 to 2005,economy health aspect is rising steadily year by year,society health is rising with fluctuation,but resource environment health is descend after rising first,and then is relatively stable.

研究结果表明：研究区1980~2005年生态经济综合健康稳定水平呈逐年上升趋势，经济健康性方面是逐年平稳上升，社会健康性是波动性上升，而资源环境健康性则是先升后降，然后是相对稳定。

And the quantum fluctuation and the corresponding uncertainty relation of current and voltage grow with increasing the Wehrl entropy.

结果表明，Wehrl熵不仅和谐振子的本征频率有关，而且与热场温度有关；生物细胞等效电路中电流和电压的量子涨落及相应不确定关系随Wehrl熵增加而增加，随Wehrl熵减小而减小；Wehrl熵是表征介观生物细胞量子效应的最好度量。

The present paper analyzed the cause to the mould level fluctuation of vertical-bending type caster in casting the peritectic steel,and introduced the solution to the problem at No.

分析了直弧形铸机生产包晶钢时结晶器液面波动产生的原因并介绍了武钢第二炼钢厂采取的控制措施，包括调整一、二冷制度，采用专用保护渣，提高铸机拉坯力等。

Endophytic Bacillus subtilis strain B47,which was isolated from the stem of tomato, was an efficient biological control agent on tomato bacterial wilt. A strain resistant to streptomycin derivative of wild strain B47 was used to study the colonization ability and fluctuation of populations in soil and tomato organs, and its biological control on tomato bacterial wilt.

从番茄茎分离的内生枯草芽孢杆菌菌株B47对番茄青枯病有较好的防治作用，利用该菌株的抗链霉素突变菌株，研究其在土壤和番茄植株根，茎中的定殖能力及其对番茄青枯病的防治作用。

As for the problems in the experimentation, such as the slow response speed of axes torque control, the disturbance of torque control to position control of throttle lever and the torque fluctuation of axis, solutions had been put forward and proved theoretically.

对于试验过程中出现的以下问题，油门杆高速运动中输入轴力矩控制的响应速度较慢，输入轴力矩控制对油门杆位置控制的扰动，以及输入轴力矩脉动现象，提出了解决方法，并且从理论上加以验证。

This thesis presents a novel control algorithm for the compensation of ac source voltage fluctuation.

本论文主要是提出一种新的补偿交流电压变动的控制策略。

The pressure change process for the given section of diversion system,the speed change process for the water turbine and generator, the level fluctuation process for the surge tank and their maximum and minimum values all can be obtained at the same time.

本文对碧口水电站压力引水系统的非恒定流情况进行了分析计算，同时得出了引水系统指定断面的压力变化过程；水轮发电机组的转速变化过程；调压井的水位波动过程及相应的最大最小值。

Based on analytical method,the paper shows that raising the length of a riser can elevate the water-hammer pressure and reduce the fluctuation of water level effectively in surge tank.

通过理论和解析方法讨论连接管较长时，其内水体惯性对调压井水锤压力和水位波动的影响。

A non-linear mathematical model is presented herein to describe the dynamic performance of the governing system for station, and furthermore, the additional index to evaluate the governing performance of the pump-turbine is put forward, that is that the selection of the governor parameters must promote the quick attenuation of the fluctuation of the water level in the surge tank.

文中提出了描述抽水蓄能电站调节动态特性的非线性数学模型，提出了衡量水轮机调节性能质量的附加指标－调速器参数的选择应促使调压室水位波动的快速衰减。

"Land supply and land price changes, to a large extent affected the price fluctuation."

&土地供应和土地价格变化，在很大程度上影响了价格波动。&

Methods: Five patients with parkinsonism or dystonia were assigned to general anesthesia using an modified endotracheal tube.

本实验依照人体实验之相关规定进行，五位患有帕金森氏症或肌张力异常的病人接受神经立体定位手术。

If you can benefit from this book, it is our honour.

如果您能从本书获益，这将是我们的荣幸。