因为在一个完整的电路中必须有一对电源和地。
Because you need both a voltage source and a ground in order to create a complete circuit, you need to have a sourcing input or output connected to a sinking output or input.
要把电源和接地的引脚贯穿放置以便于电源和地对齐。
Position the power and ground feedthrough or abutment pins so that they align with corresponding pins in other cells.
该保护电路不会导通。因此这种利用晶体管延时的保护电路完全可以作为CMOS集成电路电源和地之间的ESD保护电路。
So the given ESD protection circuit using transistor delay can be well applied to VDD-to-VSS ESD protection in CMOS IC.
美国的核监管机构必须确保所有核电厂在电网和备用发电机被破坏的情况下仍有足够的移动发电机或其他地备用电源以供应急。
American regulators must ensure that all nuclear plants have enough mobile generators or other backup power in place if their first two lines of defense are disabled.
6个帐篷形的房间有着可以生物降解的化学洗手间，太阳能电源和私人走廊——完美的野生动物观赏地。
Six tented rooms have biodegradable chemi-loos, solar-powered electricity and private verandahs - perfect for wildlife watching
她无法相信地捡起被拔掉的电源线和电话线。
She picks up the detached power and phone cords in disbelief.
简要阐述了电场除尘器的原理，对其中的电源部分和单片机控制部分以及在开发过程中应当注意的问题做了详细地说明，并给出了相应的软件流程图。
Introduces the principle of electrical field dust catcher, and explains the power part, single chip microprocessor controlling part and attention in details. And the software flow chart is showed.
与常规设计方法相比，这种最优设计技术可以明显地提高开关电源的设计质量，大大缩短设计周期和减轻工程技术人员繁重的电路定型工作。
It forms the mathematical optimization technology of the SMPS. Compare with common design, it improves the quality, shortens the period and eases the design finalize.
CMOS数字集成电路的各种缺陷集中地反映在输入电流和电源电流这两个参数上。
The major shortcomings of CMOS Digital Integrated Circuit concentrate on two primary parameters: input current and supply current.
本设计选择双积分型A/D转换芯片，并采用光电隔离装置，有效地降低了电源噪声和电机干扰，大大提高了转换精度。
The double integration A/D converter and the electro-optical isolation device are used to reduce the mains noise and motor interference, which can significantly improve the accuracy of A/D conversion.
给出了射频ic选取中需要注意的事项，详细地论述了无线半双工通信协议的设计过程和整个系统的电源管理。
Matters needing attention about the choice of the RF IC are given, and the wireless semi-duplex communication protocol and the whole system's power management are presented in detail.
概述了利用电容膜降低PWB噪声的方法，可以有效地降低电源-地线层之间的谐振和电源脉动电压。
This paper describes the method of Lowering PWB noise using condenser film, can lower resonance between the power supply layer and the ground layer and power supply ripple voltage effectively.
为了提高电火花加工自动化和智能化程度，更方便地实现电火花加工脉冲电源的实时控制，在现有的脉冲电源基础上开发了一种基于IS A总线的电火花脉冲电源。
To improve the automatization of WEDM (Wire Cut Electric Discharge Machining) and to real-time control WEDM pulse power supply, a WEDM pulse power supply based on ISA bus is put forward.
其次系统地介绍了可应用于LED驱动的一些拓扑，将拓扑分为非开关电源式和开关电源式。
Second, a number of LED driver topologies were introduced in the round. The topology type is divided into non-switching power supply and switching power supply.
为了使开关电源很好地应用于音响功放，设计了一种开关电源输出功率检测电路，给出了电路的原理和具体实现方法。
This paper designs a kind of power detecting circuit of switch power supply used for audio power amplifier. It presents the principle and realization method of the circuit.
研究了如何在数据广播磁盘中设计适当的数据分配方式以减少数据项的平均访问时间，进而有效地节约移动计算系统的电源和带宽。
Illustrate proper data distribution to decrease data average accessing time to a low level in datacasting disks and then to save mobile computer's electricity and bandwidth.
理论分析和实验结果表明，本文设计的稳流及稳纹波电路显著地提高了氙灯电源的可靠性及减小了氙灯电流的纹波系数且操作简便，利于推广应用。
The theoretical analysis and experimental results demonstrate that the new product has greater reliability and less ripple and, consequently, is easy to operate and conducive to its popularization.
随着对包括阅读，您可以轻松地访问点燃的导航功能和电源开关，而圆形的边缘提供了完美的结合在你的手中。
Reading with the cover on, you can easily access Kindle's navigation features and power switch, while the rounded edges offer a perfect fit in your hands.
任选地，电源线和信号线之间的耦合适于提供对串扰效应的最大补偿。
Optionally, the couplings between the power lines and the signal lines are adapted to provide a maximal compensation of cross-talk effects.
膝上电脑台具有一体地安装在其中的连接端口组和电源单元。
The laptop station has a connection port set and a power supply unit integrally mounted therein.
使用该插座，当插销接触到电源时。插销的铜片和塑料绝缘部分已进入防护框内。能有效地防止触电事故。
When the socket is used, and a pin contacts a power, the copper sheet and the plastic insulating part of the pin enter the guard frame, which can effectively prevent the accident of electric shock.
使用最新的三相交流异步电动机和锂电池技术，同时提供电源的近地天体是经济和绿色。
Using the latest 3-phase AC induction motor and lithium battery tech, the NEOS provides power while being economical and green.
与封面读，您可以轻松地访问点燃的导航功能和电源开关，同时仍享受在你的手中一个完美的结合。
Reading with the cover on, you can easily access Kindle's navigation features and power switch, while still enjoying a perfect fit in your hands.
并对电阻焊电源的新技术原理和市场前景进行了详细地介绍。
The principles of the resistance welding machine new technologies were introduced...
是从事开发、研究和生产开关插座、移动式电源插座（电源转换器）、工程地拖苏及各种电源插头等系列产品的专业厂家。
We'reone of the biggest professional manufacturers of developing. researching and producing switch socket, removable power socket ( power converter) and all kinds of power switch.
是从事开发、研究和生产开关插座、移动式电源插座（电源转换器）、工程地拖苏及各种电源插头等系列产品的专业厂家。
We'reone of the biggest professional manufacturers of developing. researching and producing switch socket, removable power socket ( power converter) and all kinds of power switch.
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