查询词典 high and low

All of these power MOSFETs are designed for applications such as switching regulators, switching convertors, motor drivers, relay drivers, and drivers for high power bipolar switching transistors requiring high speed and low gate drive power.

所有这些功率MOSFET的设计，例如开关稳压器的应用，开关转换器，电机驱动器，继电器驱动器，驱动器和高功率双极晶体管的开关速度和低要求高栅极驱动力。

This thesis is supported by"863" national high-tech project"Researching and Developing a Kind of High Performance and Low Cost Dataglove". From the viewpoint of recognition, the single-hand words of CSL are analyzed and categorized based on the information of hand-pose and gesture. According to the features and categories of CSL words, the recognition methods are discussed and researched based on the fuzzy idea.

本文在国家863项目&高性能、低成本数据手套的研制&的资助下，对中国手语中的单手词汇进行了分析，并在根据手姿信息和手势信息从识别的角度对该类词进行有效分类的基础上，借助于模糊思想对单手词汇的识别方法进行了探讨和研究。

In order to attain high accuracy of GPS satellite navigation, positioning and low cost in precision agriculture, it is studied a method of GPS Pseudo-range observation and Carrier phase measurement to combine the actual conditions of agriculture. It is presented a method of high accuracy positioning and measure based on GPS OEM board in this paper, and proved the feasibility of key technology with emulations and field tests.

为了适应精准农业高精度、低成本的GPS定位导航应用要求，本文通过对GPS伪距和载波相位定位方法的研究，结合精准农业的实际情况，提出了基于GPS OEM板的高精度定位与测量方法，并用仿真和田间试验验证了各关键技术的可行性。

Methods Small focus and low power X-ray tube is chosen and cooled together with high voltage circuit in oil. The power supply of filament, high voltage for anode and controlling circuit are designed.

选择小焦点小功率 X 射线管，设计阴极灯丝供电电路，阳极高压电路和控制电路。

The measuring systems are successfully used in the electromagnetic pulse measurement generated by impulse voltage discharge and switch operation in 500kV substations. Full waveforms of transient electric field, transient magnetic field, transient voltage of high frequency relay channels and low voltage alternative current power during switch operation period have been obtained, and the fast transient pulses in high frequency relay channels and AC power have been caught.

将该套测量系统成功地应用于500kV变电站开关操作产生的电磁脉冲的研究中，得到了开关刀闸操作时暂态电场、磁场、高频通道、交流电压等的完整波形，发现低压交直流电源系统和高频保护通道中存在非常严重的脉冲群干扰，初步解释了变电站二次电源模块经常损坏和高频保护经常误动的原因，提出了加强保护和研究的建议，进一步验证了测量系统的先进性。

The results showed that fruit bud differentiation needs the high Z、ZR content and low IAA content,meanwhile need the high ratio of CTK to GA 3,CTK to IAA and CTK to ABA.

结果表明，花芽分化期间需要有高水平的Z、ZR，低水平的IAA，高水平的CTK／GA3 、CTK／IAA、CTK／ABA 比值

Grain Cleaner , a unique high-capacity, high efficiency, lower initial and running cost, and low area occupation grain cleaner.

具有高产量、高效率、精细的筛分效果、初期投资和使用成本低以及占地面积少等特点。

SF-2 boundary lubricated bearings increase:Acid poly A with formaldehyde, with high wear resistance, bearing surface arrangement of the law must be fitted with a storage pit filled with grease, especially for high load low speed of rotation, rocking motion, and frequently borne, the opening and closing the difficult parts of the formation of lubrication in boundary lubrication conditions, long-term use without refueling and maintenance, where the fuel bearing life can be more extended, currently applicable to metallurgical machinery, mining machinery, hydraulic machinery, automobile parts, construction machinery, agricultural machinery.

SF-2加界润滑轴承：酸多聚甲醛一高耐磨性，轴承表面的法律安排，必须配备与油脂填补了蓄水坑尤其是高负荷低转速旋转，摇摆运动，并经常承担，开幕和闭幕的困难部分在边界润滑条件下，长期不加油和维修，那里的燃料轴承寿命可以更延长，目前适用于冶金机械，矿山机械，液压机械，汽车零部件，工程机械，农业机械使用润滑形成。

Through comprehensive applications of many key projects,such as well location optimization technology,mixed oil drilling technology combined with using popularized PDC bit s of high efficiency and high torque and low-velocity hobs of great power, deep well bore contro.

通过井位优选技术、推广高效 PDC 钻头和大功率高扭矩低速螺杆的复合钻井技术、深井井身控制技术、以防漏堵漏为主的调整井钻井技术等各项攻关课题的综合应用，形成了一系列的深井优快钻井综合技术，大打钻井科技攻坚战，取得了钻井速度的新突破。

By the multiple objective optimization, the diffusion angle of the ventilator volutes with high efficiency, low noise and high total pressure of the ventilators was calculated and selected according to the experimental data.

摘要根据实验数据，采用多目标最优化的方法，对效率高、噪声小、全压大等性能指标皆好的通风机蜗壳扩压角进行了理论计算选择。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。