查询词典 switch

A resistor is connected between the output end of the live wire and the output end of the earth wire, another resistor is connected between the output end of the null line and the input end of the earth wire, a neon lamp in a photoelectric coupling switch is connected at the two ends of the earth wire switch in parallel after being connected with the resistors in series, one end of a light sensitive resistor in the photoelectric coupling switch GR2 is connected with the anode DC+ of an integrated circuit IC power in the creepage protector, the other end of the light sensitive resistor is connected with the anode of a diode D3, the cathode of the diode D3 is connected with the triggering pole of the silicon-controlled rectifier SCR in the creepage protector, the neon lamp and the light sensitive resistor are positioned into a dark box, and a small hole which avoids the light sensitive resistor is formed on the dark box.

一种防止地线触点未导通的全能安全插头，包括各带开关的地、零、相三线接线和由零序互感器、脱扣器、放大器、整流器、试验回路和可控硅组成的漏电保护器，所述的火线输出端、地线输出端间连接电阻，所述的零线输出端、地线输入端间串接电阻，光电耦合开关内的氖灯与电阻串联后并联在地线开关两端，光电耦合开关GR2内光敏电阻的一端与漏电保护器内的集成电路IC电源正极DC＋连接、光敏电阻的另一端与二极管D3的正极连接，二极管D3的负极与漏电保护器内的可控硅SCR触发极连接，氖灯和光敏电阻置于暗箱中，暗箱上开一避开光敏电阻的小孔。

The performances of ATM switches with different butter queueing model are analyzed in the third part of this paper. We discuss the performances of input queue switch, shared memory switch and output queue switch respectively.

第三部分对不同缓冲排队模型的ATM交换机的性能进行了分析，分别讨论了输入排队交换机、共享存储排队交换机及输出排队交换机的的性能。

Among them, the cell input is taken the extended method for input queue switch. The arrival of cells is restricted by threshold in the model of shared memory switch. The arrival and service of cells have geometric distribution in the model of output queue switch.

其中输入排队交换机中信元的输入采用扩展方法，共享存储排队交换机中信元的到达受到门限的限制，输出排队交换机中信元的到达和服务时间服从离散分布。

When the mercury switch when slightly inclined to the perspective you need to connect the circuit to work, such a switch easy to use, simple operation, low price, it is an indispensable ideal switch.

当水银开关稍微斜时，达到你所需的角度即可接通电路进行工作，此种开关使用方便，操作简单，价格低廉，它是一种不可缺少的理想开关。

SEG Electronic Switch Factory, Hebei Province (formerly¤÷beads Switch Factory) is a professional production of the mercury switch manufacturer.

河北省赛格电子开关厂是生产水银开关的专业生产厂家。

The start system interfaces with the sequencing oil pressure switch, speed switch, APU control unit and APU switch.

起动系统连接着程序化的滑油压力开关、速度开关、APU控制组件及APU开关。

Has six switch quantity input/output, through to the input voltage and current data collecting, control switch, and can control the output power of each part ranged switch.

具有6路开关量输入/输出，通过对输入电压和电流的数据进行采集检测，控制开关量输出，并可以控制各部分电源的远程开关。

These topologies, combining advantages of single switch and dual switch forward DC/DC converters, are obtained by applying several classical reset schemes to dual switch forward DC/DC converter.

这一系列变换电路是将单管正激变换电路的几种典型的复位方式应用到双管正激变换电路中得到的。

It is controlled by singlechip together with voltage sensor, current sensor, temperature sensor and data-processing software to collect voltage, current, temperature, state of switch. At the same time, it performs control operation such as close switch, open switch, reset. In order to cut down checking period,a tributary station structure with double singlechips is designed. It is connected between computer and intelligent collector.

为了缩短地面计算机依次巡测所有智能采集器的时间，设计了双单片机结构的变电所分站，变电所分站在计算机和智能采集器之间，用一片双口RAM进行数据暂存和缓冲，可以实现双向通信，在整个系统结构中起着承上启下的作用，从而提高系统的整体性能，此外，分站还能脱离主机独立工作。

In high-voltage var compensation field, when switching the capacitor banks by mechanical switch, it is easy to bound when it closes and to restrike when it opens, and the mechanical switch can not be switched frequently. When switching the capacitor banks by electronic switch in series, it needs dynamic and static voltage sharing circuit and synchronous triggering circuit. It leads to complex structure and high cost.

为解决当前高压无功补偿领域采用常规机械开关投切电容器组开关合闸时触点弹跳产生过电压，分闸时易重燃及不可频繁操作，而采用串联固态电子开关需要相应的动、静态均压及同步触发电路导致系统结构复杂且成本较高的问题，提出一种基于新型高压投切开关的高压动态无功补偿装置。

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。