The paper presents a SPWM frequency variable and velocity variable system with SCR as main switching devices. The proposed scheme has been verified through experiment.
介绍一种以SCR作主开关器件的SPWM控制方式的变频调速系统，并通过实验对提出的方案进行了验证。
The lessons of this experiment have been learned through an existence that has been much more demanding than was ever imagined at the outset.
这个试验的课程是要在（比一开始想像的更加苛刻的）存在中学习。
The flow control devices of tundish for ingot casting has been optimized through hydraulics simulated experiment.
通过水力学模拟实验，优化了模铸连浇中间包控流装置。
The experiment of intelligent structures has been studied, and the new control law and optimal configure rule have been validated through the experiment results.
通过对压电智能结构实验进行分析，所得到的实验结果验证了控制律算法和驱动器位置优化配置方法的正确性和优越性。
The effect of oxygen rate and lance level on bath stirring, splashing and penetrating depth has been studied in a converter through water model experiment.
进行了水力学模型实验，研究了氧枪供氧量、枪位等因素对转炉熔池的搅拌、喷溅、穿透深度的影响。
Through this new arithmetic, the PHP Chinese template technique has been realized. And the PHP Chinese template technique has been used in related projects and analysis experiment.
利用这个新算法，实现了基于PHP的中文模板技术，并进行了相关应用项目和分析试验。
This measure and control system has been applied to achieve the dynamics of Syndro Self Shifting clutch intermediate sliding component through experiment.
应用测控系统通过实验得到了三s离合器中间滑移件的动态特性。
The relationship between hydraulic characteristics and soil erosion amount has been studied through rainfall simulator experiment on loess slope.
通过室内人工降雨模拟试验，研究黄土坡面水流的水力学特征参数与土壤侵蚀量间的关系。
In addition, it has been proved through experiment that the amount of water gush in the mine pit can be obviously decreased by means of reasonable intermittent mining.
另外，通过试验，还证明了合理的采用间歇性开采方法，可显著地减少矿坑涌水量。
The problem has been effectively solved by editoring the given program curve and other methods through experiment without replacing the corresponding components.
经试验，在不更换相关组件的情况下，用修改给定程序曲线等办法，较好地解决了该问题。
Through comparison of theory with experiment in room temperature, the prediction method is considered reliable and has certain precision.
通过室温条件下的理论与实测比较，认为该预测方法是可靠的、且具有一定的精度。
And through the classics experiment simulation, has confirmed this dynamic linking library computation precision and efficiency, and developed the procedure's application scope.
并通过对经典的试验的数值模拟，验证了该链接库的计算精度和计算效率，进一步开拓了程序的应用范围。
Through the experiment and analysis, this scheme has high security, big, quick and difficult to detect.
通过试验和分析发现该方案具有安全性好、隐藏数据量大、速度快不易被检测等优点。
Through the filter experiment on the actual sampling signal, and compares with the common average filter algorithm, it proved the wavelet analysis algorithm has better filter effect.
通过对红外水分仪实际采样信号的滤波试验，并与一般平均滤波算法相比较，证明其具有更好的滤波效果。
The hydraulic resistance of shallow water flow under the influence of rainfall has been investigated through the flume experiment with artificial rainfall.
通过实验室人工降雨水槽试验，研究了降雨影响下浅层水流的阻力规律。
Through analysis and experiment, results show that the accelerometer has characteristic of high sensitivity and lower cross interference, and can meet the needs of expected design.
经分析和试验结果表明：该加速度计具有灵敏度较高、交叉干扰小，完全满足预期设计要求。
Through experiment, the result shows that the method has the advantage of faster learning rate, higher calculating precision, that it can be used to make certain of aero-engine theoretic speed.
通过试验验证，结果表明该方法具有学习速度快、计算精度高等特点，将其应用于确定航空发动机的给定转速是行之有效的。
This measuring system of asynchronous motor's operating state has carried through a successful experiment for the application of virtual instrumentation technology in the electrical engineering.
本异步电机运行工况测试系统为虚拟仪器技术在电气工程中的应用进行了一次成功的尝试。
The paper has analyzed the dynamic strain measurement system and verified the functions of it through experiment.
这里对动应变测量系统进行分析，并在实测中验证了该测量系统的功能。
Run the test through the experiment and scene has proved that the design is feasible and well-effect.
通过实验和现场运行考验，证明了设计的可行性和良好效果。
This system has accomplished the task of testing in the outfield experiment of the Underwater Intelligent Robot and proved through the experiment.
该系统在水下智能机器人外场实验中完成了实验任务，并通过了实验验证。
The overflow control method of pressure in common rail has been studied through theory and experiment.
对共轨系统油轨压力的控制方法进行了理论与实验研究。
Through a series of soil investigation and fertilizing experiment, the relationship between crop yield and the soil fundamental fertility has been revealed in the clayey carbonate meadow soil.
通过一系列的试验研究，揭示了碳酸盐草甸土基础地力与作物产量的关系。
Through the verification of experiment, the tire bubble automatic detection algorithm is effective, it can find the location and size of tire bubbles, and it has accurate judgement.
经实验证明，本文提出的轮胎气泡的自动检测算法是有效的，它可以寻找出气泡的位置及大小，给出较为准确的判断。
It has been proven through experiment that the control system can meet the requirements of impact drill-in conditions to implement automatic impact drill-in.
通过试验，证明该控制系统能够满足冲击钻进工况的要求，实现自动冲击钻进。
The project has achieved a series of furthest mate of mixtures through cross experiment design and comparative tests.
本项目通过大量正交设计试验和对比试验，分析筛选出系列最佳掺量配比。
Through simulation and experiment, we show that the new control system has its reliability, a good inhibitory effect, and so they can reach the purpose of protection.
仿真与实验证明，该新型保护装置动作可靠，抑制效果好，达到了保护的目的。
Through analysis of internal activity of hydraulic jump. This paper has built up the counting method of hydraulic jump profiles, and proved it with experiment data.
通过水跃内部运动特征分析，提出了水跃剖面线理论计算方法，并进行实验验证。
Through analysis of internal activity of hydraulic jump. This paper has built up the counting method of hydraulic jump profiles, and proved it with experiment data.
通过水跃内部运动特征分析，提出了水跃剖面线理论计算方法，并进行实验验证。
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