1、

If a test button is not supplied, the integrity of the circuit may be checked with an ohmmeter.

如果没有配置测试按钮,则可以采用欧姆表测试线路的完好性。

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2、

Further development of the domestic and detailed analysis carried out to explore the domestic and foreign research results of integrated circuit test equipment, integrated circuit tester were three grades of low-grade mid-range high-grade, different grades of the testing instrument test object is not the same.

进而对国内外发展情况进行了详细的分析,探究国内外集成电路测试装置的研发成果,集成电路测试仪分别有低档中档高档三个档次,不同档次的测试仪的测试对象不相同。

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3、

The threephase circuit is applied to production and life extensively, so the experiments of it are important and necessary, nevertheless the experiments are not only very dangerous, but also some of fault experiments are relatively hard to do.

在生产与生活中三相电路的应用最为广泛,针对三相电路运行工况的实验就显得重要而且必然,然而实际的三相电路实验不仅危险性较大,而且一些故障性试验较难进行。

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4、

Through an circuit module experiment, it shows that the method can not only diagnose difficult fault, but also diagnose multi fault.

通过对该电路中的差分电路模块的实验表明,不但克服了专家系统对某些故障无法诊断的不足,而且还可以实现多故障的诊断。

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5、

By visiting parts of China that do not normally feature on the diplomatic circuit, Mr Osborne also hopes to persuade Chinese investors to look beyond London and put money into his "northern powerhouse" project in the north of England.

奥斯本还希望,通过访问中国一些通常不在外国要人访华行程上的地区,可以说服中国投资者将目光投向伦敦以外的英国其他地区、并投资于他在英格兰北部的“北方经济引擎”(northern powerhouse)项目。

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6、

The Pan Tilt control circuit based on the relay control mode is designed, which not only can control the Pan Tilt automatically, but also can implement the function of manual control based on joystick. 4.

设计了基于继电器控制方式的云台控制电路。该控制电路不仅实现了系统对AC220V云台相应动作的自动控制,也提供了操纵杆手动控制云台的功能。

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7、

At the same time the forward phase converter at work will collapse the glitch issue. if not effectively control, The circuit will not work.

同时提出相位转换器在工作中会产生陷落毛刺的问题,如不能有效控制将影响电路功能。

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8、

The circuit scheme, correcting only time but not locking frequency, has the advantages of being high precision, fully digital and easy to be designed.

该方案只校时不锁频,具有守时精度高,电路全数字化和设计简单等优点。

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9、

The traditional equivalent circuit of CVT ( Capacitor Voltage Transformer) neglects the influence of initial capacitor voltage value of capacitor voltage divider, but it is not neglectable in CVT transient process.

电容式电压互感器(CVT)的传统等效电路模型中忽略了电容分压器电容电压初值对等效电路模型的影响,然而在CVT暂态时这一因素的影响不能简单地看成是一个误差问题。

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10、

Mine existing quick-break power supply value can not be over-current protection setting, leakage protection and so difficult to achieve more difficult, leading to leakage, short circuit fault occurs frequently, a serious threat to reliability.

煤矿井下供电目前存在速断过流保护定值无法整定、漏电保护难实现比较等难题,导致漏电、短路等故障发生频繁,严重威胁供电可靠性。

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11、

The paper not only analyses the temperature property of NTC thermistance, but also demonstrates an idea and method of optimum parameter design for NTC thermistance linear interface circuit.

本文分析了NTC热敏电阻的温度特性,给出了一种NTC热敏电阻接口电路的最佳线性化参数设计思想和方法。

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12、

Secondly, the approach that switches the tripping equations to improve the tolerance of grounding resistance is not suitable when the zero sequence reactance relay is applied to double circuit lines or ring network.

零序电抗继电器应用于双回线或环网时,不适宜用切换动作方程的方法提高承受过渡电阻的能力。

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13、

This article in view of ordinary frequency meter existence reading difficult, measuring accuracy not higher shortcoming, proposed one usability strong the high accuracy numeral frequency meter control circuit system realization method which controls with the monolithic integrated circuit, has the broad application prospect.

针对普通频率计存在读数难、测量精度不高等缺点,提出了一种实用性较强的用单片机控制的高精度数字频率计控制电路系统的实现方法,具有广阔的应用前景。

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14、

It is shown theoretically and experimentally that a photodiode with external guard ring short circuit can not decrease dark current& it will be increased instead.

通过理论和实验证明了外保护环短路的光电二极管不仅不能减小暗电流,相反会增加暗电流。

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15、

The Pulse move automatism orientation control circuit is simple method, especially apply the situation that precision need not superlative.

脉动定位方法简单,特别适用主轴定位精度要求不高的场合。

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16、

Erbium-doped waveguide amplifiers ( EDWA) have an important influence not only on the development of the All Optical Net ( AON), but also on the research of Optics-Electronics Integrate Circuit ( OEIC).

掺铒光波导放大器不仅可以在全光通信网络的发展中发挥重要的作用,而且也将在光电子集成的研究中发挥重要的作用。

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17、

At first, we point out that in the embedded system the power-on reset ( POR) circuit of CPU and EPLD should not only satisfied the request of reset time but also offer correct time sequence to make POR step finished when initializing EPLD.

首先介绍了在嵌入式系统中,CPU和可编程芯片上电复位电路不仅要满足复位时间要求,而且还要有正确的时序,保证在对可编程芯片初始化时,该芯片上电复位已经结束。

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18、

At first Miss Crawford and her companion made the circuit of the field, which was not small, at a foot's pace;

起初,克劳福德小姐和她的骑伴徐步绕场而行&那一圈可真不小。

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19、

The novel circuit overcomes the shortcomings the existing TTL NOT gate circuit has.

说明了新电路如何克服现有的TTL非门电路自身的弱点,使其工作更加稳定可靠。

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20、

The approach is designed a group of temperature controlled switch circuit which control whether the parallel resistance is activated or not. Temperature signal is come from bridge voltage signal which is power supply by constant current source.

技术途径是设计一组温控开关电路来控制并联电阻器是否接入,温度信号来源于恒流源供电下的传感器桥压信号。

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