switch n. 1.(树上折下的)细树枝;软鞭子;鞭打。 2.假发;(尾巴上的)毛簇。 3.〔美国〕【铁道】道岔扳子,轨闸转辙器;侧线。 4.【电学】开关;电闸;电键;转换器;【电话】接线台。 5.【军事】斜行壕。 6.(思想等的)大转变。 7.〔美国〕(金融机构和销售店的)电脑化联网。 a change-over switch 转换开关,转向开关。 a pull switch 拉线开关。 a three wire switch 双联开关。 a time switch 定时断路器。 a clock switch 定时开关。 a line switch (自动电话的)寻线机,预选器;线路开关。 vt. 1.鞭打;摆动;摇(尾);猛然抢去。 2.挂断(…的电话)(switch sb. off);关闭(电流),关(电灯) (off; out)。 3.通(电流),接通(电话给某人),开(电灯) (on)。 4.改变,转变(思想、谈话等);【铁道】给扳道岔;调配(车厢)。 vi. 1.鞭打。 2.【铁道】扳道岔;调车。 3.挂断电话 (off)。 4.转换,转变。 switch an electric light on [off] 开[关]灯。 switch off to another like of thought 改变想法[思路]。 Let's switch. 〔美国〕走吧;开动吧。 I'll be switched. 〔美口〕〔表示否定、惊讶〕(I'll be switched if you do. 你要是能的话我就把头砍掉)。 switch off [on] 不收听[收听](某一广播)。 switch through 【电信】转接。
The development of a real - time surveillance and automatic switching apparatus for use with a double power supply system 双供电系统实时监控和自动切换装置的研制
The judgement results are basically coincided with the experimental results , as is a new method of predicting the electrical life of switching apparatus 评判结果与实验结果基本一致,从而为预测开关电器的电寿命开创了一条新的途径。
In the field of medium voltage switch apparatus , vacuum circuit breaker has been widely used for its advantage of oil - free , miniaturized and easy access 在中压开关设备领域中,真空断路器由于实现了无油化、小型化、便于检修等优点得到了广泛应用。
These results provide basal information and theories data for increasing the solar cell conversion , developing and exploiting the miniature photoelectron switching apparatus 这为提高太阳能的转换与利用以及微型光电子开关器件的研制、开发提供了基础材料和理论数据。
The load - control apparatus adopted a single - chip microcomputer system , whose mcu was a kind of high - speed processor - ds80c320 , whose a / d switched apparatus was max180 , whose low - pass filter was max293 , whose f / v transformed circuit was lm331 , whose controlled silicon phase - shift touch - off circuit was tca785 , and whose communicating interface of rs232 was max202 . the watchdog of the mcu was max705 and the system used an on - off electrical source to supply power 球磨机负荷控制仪采用了单片机系统, mcu采用ds80c320高速处理器,采用max180作为md转换器,低通滤波器为max293 , f v转换电路利用lm331 ,可控硅移相触发电路使用tca785 , rs232通信接口芯片采用max202 , mcu监控电路为max705 ,系统使用开关电源供电。