1、

The mathematical model of 3-phase PWM VSR using state space average method is studied under the high swith frequence at frist, then the pulse time ratio is given using the space vector technology.

在高开关频率下,应用状态空间平均法建立三相电压型PWMVSR数学模型,利用矢量合成原理,推算出各相开关函数占空比。

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2、

This A-O Q-swith uses the dense flint glass as the A-O medium. It has an A-O interactive length of 15 mm and the diffraction efficiency is up to 80%, but the insertion loss is only 8%.

该声光Q开关采用重火石玻璃作声光介质,其互作用长度仅为15mm,衍射效率高达80%,插入损耗仅为8%。

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3、

Based on the principle of charge conservation, a algorithm of diagnosis of faulty subnetwork in swithed-capacitor network is presented.

本文基于电荷守恒原理,给出了一种开关电容网络(SCN)的故障子网络诊断算法。

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4、

The enterprise which has been operating in the red has decided to swith to other production.

那家亏损企业决定转产.

《现代汉英综合大词典》

5、

It wasn't too successful because people were already used to the intranet and it was not too convenient to get everyone to swith.

这并不是很成功,由于人们已经习惯内部网了,而且任何人都可以互通讯息也并不很利便。

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6、

many nows are arranged as a swith-based network with irregular topology, which makes routing and deadlock avoidance quite complicated.

交换器之间连接的不规则性,使路由与死锁避免问题非常复杂。

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7、

water pump plier swith dip handle

双层沾塑水泵钳

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8、

research on electrified-opened-swith protected from lightning overvoltage

带电开口运行开关防雷击过电压的探讨

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9、

it underground powerhouse is composed of main and auxiliary power houses, main transformer chamber and swith -yard and busbar tunnel, etc.

地下厂房系统由主副厂房、主变及开关室、母线洞等组成。

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10、

after each class, trainer is required to wipe up the whiteboard, put pens back and swith off projector, light and air conditioner properly.

培训结束后,老师需将白板擦干净,白板笔归位,投影仪,灯空调机关闭。

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11、

Oh, the control board for the air conditioner right on the wall by the light swith.

喔, 空调的调控板就在墙上电灯开关的旁边.

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12、

Electricity : Source switch , relayer, trgulator, set timing , antenna onnecting box, plug battery cover, sliding swith swith.

电机业: 电源开关盒 、 继电器、整流器 、 设定器、定时器 、 插头 、 电池外壳、滑动开关、指拨开关等.

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13、

We intend to swith from carton packing to foil wrapping.

我们想把纸板箱包装改为金属箔材料包装.

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14、

In this article, a new analysis method of network topology for power semiconductor swith circuits-method of tensor transformation, is presented.

提出电力半导体开关电路的网络拓扑分析的一种新方法&张量变换法。

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