The plane has an open cockpit, propeller powered by a three-cylinder engine made by Czech firm Verner.

1、

Since most of the mini-cars are installed with a three-cylinder engine, it is necessary to analyze the engine's balance and structure.

车用发动机的平衡性能好坏是影响车辆舒适性的一个很重要因素，目前市场上车辆使用最多的发动机是三缸机，因此对三缸机平衡性能进行分析有很大的现实意义。

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2、

In this paper, we will study a three-cylinder engine which is reformed from a four-cylinder prototype engine.

本文的研究对象，是一台由四气缸母型机变形后的三气缸发动机曲轴圆角设计。

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3、

The New Formula of the Inertia Force and Moment of a Three-cylinder Engine and the Measure of Reduced Vibration

三缸发动机惯性力与力矩的新公式及减振措施

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4、

In view of the symmetric arrangement of the three conductors to the sheath center of a three-core power cable, this paper presents a new approach to calculation of electric field using a charge simulation method.

本文针对三芯电力电缆内三导体布置上的对称性，提出了一种采用模拟电荷法计算其电场的新算法。

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5、

Three-core power cable with common copper screen

带公共铜屏蔽层的三芯电力电缆

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6、

According to the characteristics of single-core and three-core cable structure, One-Dimensional Thermal Model can be established for single-core cable temperature field, and two-Dimensional Thermal Model can be established for three-core cable temperature field.

根据单芯与三芯电缆结构的特点，对单芯电缆温度场建立一维导热模型，对三芯电缆温度场建立两极坐标组合的二维导热模型。

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7、

This paper introduces the working principle of and maters needing attention in the remote monitoring an electric motor with a three-core cable.

介绍了用一根三芯电缆对一台电机进行远距离监控的工作原理及注意事项。

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8、

This paper introduces the basic method of measuring motor-vehicle forward vision field by means of three-coordinate measuring machine and derives the calculating formula of A-pillar obstacle angle of two-eyes visibility and summarizes the procedure of measuring visual field.

介绍用三坐标测量机检测汽车前方视野的基本方法，推导A柱双目障碍角的计算公式，并对视野检测过程进行了综述。

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9、

The paper introduces how the CAD/ CAM system is applied to the high speed machining, improving the mould and die accuracy, inspecting the mould and die with three-coordinate measuring machine, and the management of machining process.

目前，CAD/CAM系统已应用于模具制造的全过程，该文主要介绍了CAD/CAM系统用于模具高速加工、提高模具精度、三坐标测量仪检测模具、生产过程管理等几个方面的内容。

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10、

The measurement of the profile data is an important link in the motorcycle design, and is a bridge connecting the mock-up with the digital model of the three-coordinate measuring machine.

摩托车外形数据测量是摩托车设计的重要环节，是连接实体模型和数字模型的桥梁。

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11、

However, for the measurement of big or huge castings, flexible measuring arm, Gantry three-coordinate measuring machine or some other large measuring equipment are must be used.

而对于一些大型铸件，更是需要使用柔性测量臂、龙门坐标测量仪等大型设备才能完成检测任务。

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12、

The ideas and the process of the development of three-cone bit CAD system based on AutoCAD with AutoCAD embedded VBA language are represented. The common method of developing three-cone bit CAD system in the environment of AutoCAD is illustrated.

阐述了采用内嵌于AutoCAD的VBA语言开发基于AutoCAD的三牙轮钻头计算机辅助设计系统的思想和实现，及在AutoCAD环境下开发三牙轮钻头CAD系统的一般方法。

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13、

This paper introduced the application of new Hall sensor in the voltage and current regulation of the speed-regulation system of rotary three-cone bit drill and analyzed the mode of operation, the structural characteristic and the use result of the component element.

文章介绍了在牙轮钻机调速系统的电压、电流调节中，采用了新型霍尔元件，并具体分析了其工作方式、构成特性以及使用效果。

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14、

The paper gets a conclusion that the patterns of breaking rock are not only concerned with the pressure of three-cone bit but also relating to the rotating speed of the bit.

得出了钻机的破岩形态不仅与轴压有关，而且还与钻机的转速有关的结论。

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15、

Analytic expression for scoop-shaped tooth surface of three-cone bit and its integration processing

三牙轮钻头瓢形齿齿面结构的空间解析式及积分处理

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16、

Simulation model of drilling process of three-cone bit

三牙轮钻头破岩过程计算机仿真模型

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17、

CAD System Design for Three-cone Bit Based on AutoCAD

基于AutoCAD的三牙轮钻头CAD系统设计

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18、

Research on the Feature Recognition System for Three-cone Bit

三牙轮钻头特征识别系统的研究与开发

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19、

Study on the Three-Component Chromogenic Reaction System of Cu(ⅱ)-CAS-CPB and Its Analytical Application

铜（Ⅱ）-铬天青S-溴化十六烷基吡啶三元显色体系的研究及应用

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20、

Since Wright presented the three-component psychological system in the field of transitivity inference, the model has come to be one of the focuses in the transitivity inference researches. This article chiefly introduces its theoretical background, basic hypotheses and structure.

自Wright在传递性推理的研究中提出三成分心理系统模型以来，该模型理论成为了传递性推理领域研究的热点。

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