三线制

C. The connection between the common-structure amplifier -12VDC power supply,three-wire system

c。 普通结构放大器(-1 2VDC 供电，三线制)与显示仪表间的接线

This equipment in view of the big user three-phase three-wire system electrical energy measurement way, the use electronic technology, the mechanics of communication and the computer technology, against stole the electricity to the microcomputer the installment to conduct the response research, used its data processing function in the hardware and the software two aspects, could realize to many kinds of steals the electricity method the examination, and through the generalized analysis made whether to steal the electricity the judgment, when the discovery stole the electricity behavior might carry on the warning and the record, simultaneously and shut off the power supply, in order to avoid a bigger loss, had the high sensitivity and the use value.

该装置针对大用户三相三线制电能计量方式，利用电子技术、通讯技术和计算机技术，对微机防窃电的装置进行了响应的研究，在硬件和软件两方面利用其数据处理功能，能实现对多种窃电手段的检测，并通过综合分析作出是否窃电的判断，在发现窃电行为时可进行报警和记录，并同时切断供电，以免更大损失，具有较高的灵敏度和实用价值。

This digital thermometer design uses the American DALLAS Semiconductor Company after DS1820 promotes one kind of advanced version intelligence temperature sensor DS18B20 takes the detecting element, the temperature measurement scope may amount to 0.0625 degree Celsius for the - 55--125 degree Celsius biggest resolution, may the direct readout measure the temperature to plant, moreover used the three-wire system and the monolithic integrated circuit is connected, reduced the exterior hardware circuit, has at the same time the characteristic which the low cost and easy to use it to have the microminiaturization, the low power loss, the high performance, the anti-jamming ability strong, easy to match merits and so on microprocessor, the especially qualify in constituted the multi-spot temperature observation system, might directly the temperature inversion serial digital signal for microcomputer processing, moreover each piece of DS1820 had onlyThe product number and may store in its ROM, in order to constitution large-scale temperature observation system time hangs on the single track meets willfully many DS1820 chips.

本数字温度计设计采用美国DALLAS半导体公司继DS1820之后推出的一种改进型智能温度传感器DS18B20作为检测元件，测温范围为-55——125摄氏度最大分辨率可达0.0625摄氏度，可以直接读出被测温度植，而且采用三线制与单片机相连，减少了外部的硬件电路，具有低成本和易使用的特点同时它具有微型化、低功耗、高性能、抗干拢能力强、易配微处理器等优点，特别适合于构成多点温度测控系统，可直接将温度转化成串行数字信号供微机处理，而且每片DS1820都有唯一的产品号并可存入其ROM中，以便在构成大型温度测控系统时在单线上挂接任意多个DS1820芯片。

12VDC power supply, three-wire system

12VDC 供电，三线制电路

It is both simple and easy the new method of the measuring power on symmetric three-phase three-wire circuit,and has practical significance.

这给对称三相三线制电路的功率测量提供了既简单又易操作的新方法，具有的实用意义。

In electrical Engineering,it is one of the major work that measure the average power and reactive power on symmetric three-phase three-wire circuit.

对称三相三线制电路有功功率和无功功率的测量是电气工程中的主要工作之一。

In this paper, a new method of three-wire measurement is proposed, which can suppress lead wire resistance effects.

推荐一种消除引线电阻影响的三线制测量新方法。

It adopts three-wire measuring technique of thermistor and analog switches to realize multiway temperature measurement.

系统采用铂热电阻Pt100三线制测量技术和模拟开关芯片，实现了多点温度巡回采集处理的功能，应用于各种温度测量场合。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。