Mathematical Essence Analyses of Damped Oscillation

1、

The essence and deficiency of the conventional modelling method based on exponentially damped oscillatory waves are analyzed, and an improved modelling method based on the distortion phenomenon in propagation of the vibration signals of circuit breakers is proposed.

分析了常规的指数衰减振荡波建模方法的实质和不足，提出了基于断路器振动信号传播中畸变现象的改进型建模方法。

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2、

Modelling Method for Vibration Signals of High Voltage Circuit Breakers Based on Exponentially Damped Oscillatory Waves

高压断路器振动信号的指数衰减振荡波建模方法

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3、

Numerical results showed that film thickness experienced damped oscillations before reaching stable state.

计算结果表明：弹流油膜在达到稳态之前会经历一段时间的衰减震荡。

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4、

According to the micro-fluctuation theory the windshear has no influence on the short-period motion and the damped rise-fall motion of the half-amplitude time while the frequency of the rise-fall motion and damping changes in accordance with the windshear.

小扰动理论指出风切变对短周期运动和阻尼起伏运动至半振幅的时间无影响，但起伏频率和阻尼率随风切变而相应地变化。

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5、

The logarithmic spiral method is a good way of describing damped harmonic motion.

对数螺线方法是描述阻尼谐振动的一个好方法。

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6、

Du Jun entered a narrow pen, fed his Hong Kong identity card into a reader and put his thumb on a fingerprint scanner, after which a small gate was supposed to swing open.

杜军走进一个狭窄的围栏，把香港身份证插入阅读器，拇指放在指纹扫描仪上，这时一扇小闸门应该会自动打开。

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7、

He mentioned when he was in Shanghai a few years ago he saw a small gate with a sign of "Fudan University" beside it.

他说前几年到过上海，看到有个小门，挂着个牌子，上面是“复旦大学”四个字。

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8、

Eight years, he saw a small river south gate of the village fish species, algae dead, more sick villagers witnessed the pain and suffering.

八年来，他眼见南门村小河里鱼虾绝种、水藻枯死，更目睹了村民们患病的痛楚。

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9、

It looks like a small city gate.

感觉就好像一座小小的古城门一样。

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10、

Mr. Collins and Charlotte appeared at the door, and the carriage stopped at a small gate, which led by a short gravel walk to the house, amidst the nods and smiles of the whole party.

柯林斯先生和夏绿蒂走到门口来了。在宾主频频点头脉脉微笑中，客人们在一道小门跟前停下了车，从这里穿过一条短短的鹅卵石铺道，便能直达正屋。

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11、

'Yes, there is a small gate, which leads to the moor.'

是的，有一个小门，它通向沼地。

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12、

A small gate in the rear of a fort or castle.

位于城堡或要塞的后部的一个小门。

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13、

China has entered a high degree of industrialization development stage. From 2003 to the next 20-30 years, China will be in great demand for mineral resources.

中国已经步入了工业化的高度发展阶段，从2003年开始直至今后的20&30年，我国将处于对矿产资源的需求旺盛时期。

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14、

A star speaker will be in great demand during the conference, especially by television and radio.

在会议期间，一位著名发言者是非常抢手的，特别是对于电视和电台而言。

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15、

Hence natural gas will continue to be in great demand and the business market of LNG has abroad prospect.

天然气将继续保持旺盛的需求，LNG产业市场前景广阔。

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16、

Small Apartments, Elderly Housing and Energy Conservation housing will be in great demand.

小户型住宅、老年住宅和节能住宅将会有旺盛的需求。

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17、

I knew one day or the other; the dykes would be in great demand.

我知道一天或其他的堤坝将在很大的需求。

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18、

I can safely say that you will be in great demand someday.

我能保证有一天需要你的人会很多。

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19、

The mobile stream media will be in great demand in widespread 3G network.

在3G网络开始普及的时候，也就是移动流媒体普遍应用的时机。

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20、

Study on In Vitro Culture and Plant Regeneration in Citrus Reticulata Blanco Epicotyl

椪柑上胚轴离体培养与植株再生研究初报

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