pumping level的例句大全

The four-energy-level velocity rate equation is illustrated and so is the expression of threshold power. The laser power on the condition of near-threshhold and powerful pumping is estimated.

由钕离子的四能级跃迁的速率方程理论，推出了阈值功率的表达式，并且对近阈值条件下和强泵浦条件下的激光输出功率做了理论预测；

In this paper, the model which consists of homogeneous broadened three atomic level is proposed, when both the pump classical field and laser field exist we discuss the gain, frequency pulling and threshold condition of the weak pumping.

本文给出一均匀增宽的三能级原子模型，在泵浦场和激光场同时存在时，讨论了双光子激光的增益、频率位移及弱泵浦时，稳态运转的阈值条件。

Surmounting technical difficulty of great thrust linear motor, we have succeeded in developing linear motor pumping units on the international leading level.

攻克了直线电机大推力的关键技术，研制成功了具有国际领先水平的直线电机抽油机。

The tendentious variation of the level elevation difference in the EW direction may be influenced by change ol ground water level and pumping ground water.

台站东西向水准高差的趋势性变化，可能与复盖层内地下水位的变化或抽用地下水有关。

The influences of the focus position of pumping light on the competitive ability of the dual-wavelength and the performance of the dual-wavelength laser at different pump level have been studied.

分析了泵浦光焦点位置对双波长增益竞争的影响及不同泵浦功率下双波长激光的输入输出特性。

With Cr 4+ ∶ YAG as the saturable absorber and xenon flash lamp as the pumping source, passively Q-switched quasi-three-level laser operation of Nd 3+ ∶ YAG at 0.946 μ m is realized.

以Cr4+∶YAG晶体作为可饱和吸收体，氙灯作为抽运源，实现了Nd3+∶YAG晶体在0946μm波长处的调Q运转。

To improve the automation level in water works, and to realize the integration of management and control, PLC and computerized control system are adopted in water intake pumping station project of Xijiang water works.

为了提高水厂自动化水平、实现管理控制一体化，西江水厂取水泵站工程中采用了PLC与计算机自动控制系统。

Piper's Hill Ultra High Level Fresh Water and Salt Water Pumping Station

琵琶山超高食水及海水抽水站

Energy conversion, level, distribution and variation of depression cones during artesian and pumping processes are analyzed.

从抽水设备作功、消耗能量的角度,分析了自流和抽水过程中的能量转化 、 水位与压降漏斗的分布和变化规律.

The principle and application of a new microcontroller-based pumping well liquid level auto-monitor are described.

介绍了一种基于单片机的新型抽油井液面自动监测仪的设计原理和实际应用.

Planning Scheme of the Water Pumping Irrigation District by Using the System Administrative Level Analysis and Theory

应用系统层次分析模糊选择提水灌区规划方案抽水蓄能电站运营模式探讨

The results show that there is a fixed threshold Xat for the relative pumping parameter Xa of the upper laser level;

结果表明：激光上能级相对泵浦参量Xa具有一个确定的阈值Xat；

The Method of Extracting the Liquid Level Value of a Pumping Well from the Echo Signal of Liquid Surface

环抽（一种抽签方法）从抽油井液位回音信号中提取液位值的方法