效率高

It is compared with involute gear most prominent advantage is that the process of meshing gear tooth profile surface there is no relative sliding, so no tooth wear, smooth operation, without the phenomenon of trapped liquid, low noise, long life and high efficiency.

它与渐开线齿轮相比最突出的优点是齿轮啮合过程中齿廓面没有相对滑动，所以齿面无磨损，运转平稳，无困液现象，噪音低、寿命长、效率高。

For the characteristic of transportation problem, it was an integer programming problem naturally. By introducing a new algorithm, a transportation problem which includes interval number variables can be converted into two ordinary linear programming problems. It's a more efficient method, and a simple result can be gained.

本文考虑了带有区间数参数的运输规划问题，通过引入新的算法将原问题转换为两个普通的线性规划问题，使用新的算法计算简洁，效率高，得到的结果更直观，改变了以往只能以区间数表示结果的方式。

The product performance is stable, secure, reliable, turbidity, and non-polluting, high efficiency.

该产品性能稳定、安全可靠、浊度好、无污染、效率高。

Has fast close,the uniform speed labor enters,the fast reversing device,the efficiency is high.

具有快速接近，匀速工进，快速返回装置，效率高。

It is an ideal replacement for the 614 series electronic voltage stabilizer and magneticsaturating voltage stabilizer, also it can provide a quiet and reliable workingenvironment.

具有稳压精度高、过载能力强，可靠性好、抗干扰能力强、效率高，可长期连续工作，使用寿命长等优点，是取代614系列电子式稳压器和磁饱和稳压器的理想换代产品。它能提供一个安静无声、安全可靠的良好工作环境。

In field oriented vector control of permanet magnet linear synchronous motor,the knowledge of θ,the angle between the d-q reference frame,and the frame of motor winding,is fundamental.

0引言永磁同步直线电机直接驱动系统具有推力大、效率高、结构简单、定位精度高和反应速度快等特点，在自动化仪表、计算机辅助设备、自动化机床、工业机器人等场合都获得广泛应用。

The ultrafine aphanitic graphite particles with uniform size distribution was fabricated by stirred mill with simple process and high efficiency.

用搅拌磨制备了-lμm、粒度分布均匀的隐晶质石墨超细粉体，工艺简单、效率高。

By practical application,the bidirectional circumrotation/speed adjustment of motor are realized safely and reliably.The products has a small physical volume,fast heat transmission,high efficiency and can operate properly in severe environment.It can enhance the reliability of the drive circuit and the system,and adapt to both military and commercial usage.

经实际应用，该电路不仅安全可靠地实现了电机的双向转动和调速功能，且产品体积小，导热性能好，效率高；还能在恶劣的使用环境下安全工作，提高了驱动电路和系统的可靠性，适合军、民两用。

for carrying out a small physical volume and high reliability of the motor driving and control,by using hip4081 chip and aln hybrid integrated technology,a hybrid integrated technology h bridge circuit based on hip4081 is designed to control bidirectional circumrotation and speed regulation of the motor.by practical application,the bidirectional circumrotation/speed adjustment of motor are realized safely and reliably.the products has a small physical volume,fast heat transmission,high efficiency and can operate properly in severe environment.it can enhance the reliability of the drive circuit and the system,and adapt to both military and commercial usage.

摘 要：为了实现小体积、高可靠的电机驱动与控制，利用hip4081专用芯片和aln厚膜混合集成技术，设计一种基于hip4081的厚膜h桥电机驱动电路，完成了h桥式驱动电路对电机双向转动和调速的控制。经实际应用，该电路不仅安全可靠地实现了电机的双向转动和调速功能，且产品体积小，导热性能好，效率高；还能在恶劣的使用环境下安全工作，提高了驱动电路和系统的可靠性，适合军、民两用。

Compared with the old variable displacement wobble plate compressor, it has compacter structures, smaller size, lighter weight, higher efficiency, higher reliability, lower noise, higher rotational speed operation and wider range of displacement.

变排量斜盘式压缩机是继变排量摇板式压缩机之后的一种新型变排量压缩机，具有零件少、结构紧凑、尺寸小、重量轻、效率高、耐久性好、振动噪声特性好、高转速运行和排量调节范围宽等特点。

They experience feelings deeply and intensely, and their emotions are often mercurial.

他们的感情深刻而强烈，情绪善变。

Surrounded with or as if with a rampart.

用城墙围绕的用城墙围绕的或类似于为城墙围绕的