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In view of a running train base on the principle of laser trigonometry round of online Automatic Testing System wheel set parameters,The principle of measurement is discussed and methods of work.

介绍了一种针对运行列车基于激光三角法原理的轮对参数在线自动检测系统，论述了其测量原理和工作方法。

Based on the principle of electromagnetic induction based on the principle, using a solenoid-type vertical electromagnetic stirring method.

以电磁感应原理为基础原理为基础，采用螺线管型纵向电磁搅拌方式。

Hereafter we shall see how a tribe organized on the principle of endogamy might be developed from one organized on the principle of exogamy, in perfect consistency with the law against the intermarriage of relations.

后面我们将看到一个在内婚制原则上组织起来的部落如何从由外婚制原则组织的部落发展而来，与反对亲属的族外婚完全一致。

The fundamental principle of inertial navigation is based on the principle of equivalence of inertial mass and gravitational mass.

惯性导航的测量原理基于惯性质量和引力质量等效原理。

Introduced in this paper is a new method by which parameters are selected on the principle of the maximum turbine efficiency to derive a formula for the calculation of the optimal velocity ratio, and on the principle of the minimum leaving velocity loss and preventing diffusion flow to derive respectively the formulas for calculation of rational veloity ratio.

本文以涡轮效率最大的原则选参数，导出了计算最佳速比的公式；也以离速损失最小和防止扩压流动的原则选参数，分别导出了计算合理速比的公式。

Through comparing the opinions of different scholars it illustrates the author"s comprehension towards the concept of law explanation and focuses on the principle of it, namely the principles of law objectivity, legitimacy and rationality.The second section of this paper introduces the meaning of the explanation of administrative law and its basic category as well. Firstly, it analyzes academic area"s two riftses toward this concept: the boundary question between legislation explanative and administrative explanation; the question of which is the main principle of administrative explanation and putting forward the concept of it; the illustrations made by special state administration towards the meaning of laws, regulations and rules according to the laws.

首先，分析了学理界关于行政法解释概念的两种分歧：立法解释与行政法解释的界限问题；谁是行政法解释的主体问题，进而给出了行政法解释的概念：特定的国家行政机关依法对法律、法规、规章的含义、具体应用和执行等所作的说明和阐释。

In this paper,The necessity of frequency tracking in ultrasonic cleaning equipmens is discussed.Based on a introduction on the principle of the mian circuit of the ultrasonic power supply for cleaning equipmens and the principle of PLL ,the output frequency of 74HC4046 is changed by a singlechip measuring the phase difference between volage and current.

本文讨论了超声波清洗机中自动频率跟踪的必要性，在介绍超声波清洗机的主电路原理、PLL锁相环原理的基础上，利用单片机检测超声电源负载的电流、电压的相位差，来改变74HC4046 的输出频率，完成了变步长频率跟踪软件设计。

In this paper,the necessity of frequency tracking in ultrasonic cleaning equipmens is discussed.Based on introduction on the principle of the mian circuit of the ultrasonic power supply for cleaning equipmens and the principle of PLL,the output frequency of 74HC4046 is changed by a single chip measuring the phase difference between volage and current.The software of adaptive tracking technique with varied frequency steps is completed.

讨论了超声波清洗机中自动频率跟踪的必要性，在介绍超声波清洗机的主电路原理、PLL锁相环原理的基础上，利用单片机检测超声电源负载的电流、电压的相位差，从而改变74HC4046 的输出频率，完成了变步长频率跟踪软件设计。

This paper analyze the principle of the joggling in the cold rolling process for involute spline manufacturing and establishes the CAD model of the roller based on the principle of equal pitch helicoids.

本文通过对渐开线花键滚轧时啮合原理的分析，按照等升距螺旋面的形成理论建立了滚轧轮廓形设计模型。

This paper introduced the planning principle and design idea of comput er aided web site planning decision-making support system which based on the G I S (Geographical Information System), and brought forward the technical solution of web site planning based on the principle of the balance of the supply and deman d.

介绍了基于GIS的计算机辅助网点规划决策支持系统的规划原则和设计思路，提出了基于供需平衡原则的网点规划技术方案。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。