According to the direction and damping characteristic of the torque produced by the magnetic torques, the three-axis attitude control schemes of gravity gradient satellite and other satellite with damper were put forward in this paper.

1、

The quaternion feedback control laws was studied for the three-axis stabilization control using reaction wheels, a design method for the PID controller parameters was presented and the simulation results indicated that the control algorithm works efficiently.

针对以反作用飞轮作为执行机构的三轴稳定控制情形，研究了四元数反馈控制算法，给出PID控制器参数的设计，仿真结果验证了控制器设计是合理的。

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2、

Single Gimble Control Moment Gyro ( SGCMG) is a momentum exchange device of spacecraft, which is suitable for three-axis attitude control and quick movement of large spacecraft.

单框架控制力矩陀螺（SGCMG）是一种重要的航天器动量交换装置。

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3、

Study on the application of PCL-839 card to the three-axis numerical control system of the boring and milling machine tool

PCL-839卡在三坐标数控钻铣床中的应用研究

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4、

Three-axis attitude control using skewed bias momentum wheels

斜装偏置动量三轴姿态控制

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5、

The Development of the Three-Axis Numerical Control System of the Boring and Milling Machine Tool Based on IPC

基于工控机的三坐标数控钻铣床数控系统开发

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6、

The Error Compensation Model of Three-axis Numerical Control Machine Tool Based on Multi-body System

基于多体系统理论的三轴数控机床误差补偿模型

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7、

After the G-code format is changed to the NC code that the generating PMAC controllers can identify, the eye model is machined by PMAC-based three-axis control machine tool. At last the processing errors are analyzed.

将G-代码进行格式变化，生成PMAC控制器能够识别的数控代码，利用基于PMAC控制的三轴微细机床进行加工，得到仿生光学复眼模型并对加工误差进行分析。

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8、

Master control module used watch-dog timer control chips can achieve three-axis control in the meantime with the software: Module outputs 0-10V analog voltage to control the proportional solenoid valve to produce the necessary cutting pressure, so as to enhance cutting precision to improve cutting yields.

主控模块采用专用看门狗定时器芯片，配合软件可同时实现三轴控制，模块输出0-10V模拟量电压，控制比例电磁阀产生所需要的切割压力，从而提高切割精度及切割的成品率。

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9、

The three-axis attitude stabilization system of the flexible satellite has been studied, in which three basic vibration modes of the solar array have been considered.

在挠性卫星动力学模型的基础上，建立了只考虑太阳帆板三阶振动模态的挠性卫星三轴姿态控制模型。

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10、

The three-axis attitude stabilization of the rigid satellite has been studied. And, the influences of the external disturbances on the system stabilization have been studied. 4.

设计了刚体卫星的三轴姿态稳定控制律，分析了外界干扰对刚体卫星姿态的影响和系统的稳定性。

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11、

At present, four methods are mainly used for reinforcement earth research: prototype test, model test, three-axial compression test, direct shear test and drawing test.

目前加筋土的试验研究主要有四种方法：原型试验、模型试验、三轴压缩试验、直剪试验和拉拔试验。

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12、

It is also higher-level than typical intermediate languages ( e.g., three-address code) designed for compilation, by maintaining the types and a close relationship with the source program.

CIL保留了类型并保持与源程序相近，因此它比为编译设计的典型的中间语言（如三地址码）更高层。

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13、

Heterosis and combining ability of hybrid rice in three-way cross

杂交水稻三交种的优势表现及其配合力

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14、

Study of Productivity for Dingyuan, Two way Cross and Three way Cross Pigs

定远猪二元和三元杂交组合生产性能的研究

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15、

( Super) high oil single cross hybrid and high oil three way cross hybrid are all appropriate types for breeding HOPs;

3超高油单交种、高油单交种、高油三交种是合适的授粉者类型；

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16、

The direct determination of phenol in water samples with unstable turbidity by using the three-wavelength spectrophotometry is described.

本文描述用三波长光度法对含浊度不稳的水样中苯酚的直接测定法。

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17、

A fast determination of serum bilirubin with the interference from hemolysis and turbidity by three wavelength spectrophotometry

三波长法快速测定有溶血及混浊干扰的血清胆红素含量

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18、

Three wavelength spectrophotometry and orthogonal function method determination of chlorpromazine hydrochloride and promethazine hydrochloride in Compound Tablets

三波长法与正交函数法测定复方氯丙嗪片的含量

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19、

Determination of Berberine in the Mongolian Medicine Lidan Granules by Three Wavelength Spectrophotometry

复方利胆颗粒剂中盐酸黄连素的含量测定

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20、

Quantitative Determination of Total Flavonoids in Sea-Buckthorn Fruit Juice by Three Wavelength Spectrophotometry

三波长-光谱法测定沙棘果汁中黄酮的含量

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