常用詞語(yǔ)結(jié)構(gòu)有：

as ... ， (so) ... 隨著…，…(也變化)

cause / lead to / result in variations in ... 引起／導(dǎo)致…的變化

change with ... 隨…而變化

decrease with ... 隨…而減少(降低，減弱)

increase with ... 隨…而增加(升高，增強(qiáng))

(be) proportional to ... 與…成比例(正比)

the + 比較級(jí)， the + 比較級(jí) 越…就越…

range / vary from ... to ... 在…與…之間變動(dòng)(化)

vary between ... and ... 在…與…之間變動(dòng)(化)

vary according to / with ... 隨…而變化

vary (directly) as / with ... 隨…(成正比地)變化， (變化)與…成正比

vary inversely as / with ... 隨…成反比地變化， (變化)與…成反比

As the velocity of the steam increases , (so) the turbine speed increases．

隨著蒸汽速度的增大，汽輪機(jī)的轉(zhuǎn)速也增大。

Variations in the temperature , pressure and humidity of the air through which the laser beam passes cause variations in the wavelength.

激光束所通過(guò)的空氣的溫度、壓力和濕度的變化引起波長(zhǎng)發(fā)生變化。

The atmospheric pressure changes with weather conditions and with altitude．

大氣壓隨氣候條件和(海拔)高度而變化。

The efficiency of the turbo-jet decreases with a decrease in speed and height．

渦輪噴氣式飛機(jī)的效率隨速度和高度的下降而下降。

The magnetic field increases with an increase in current．

磁場(chǎng)隨電流強(qiáng)度的增強(qiáng)而增強(qiáng)。

Lift increases proportionally with / in proportion to the square of speed．

升力的增大與速度的平方成正比。

These tubes produce electrical signals proportional to the intensity of the light．

這些光電管產(chǎn)生的電信號(hào)與光的強(qiáng)度成正比。

The higher the velocity of steam , the greater(is)the turbine speed．

蒸汽的速度越高，汽輪機(jī)的轉(zhuǎn)速越快。

The strength of the steel varies with / according to the amount of carbon it contains．

鋼的強(qiáng)度隨其碳含量而變化。

An electric current varies directly as the electromotive force and inversely as the resistance．

電流的變化與電動(dòng)勢(shì)成正比，而與電阻成反比。

y varies inversely as x．

y 隨 x 反變(y 的變化與 x 成反比)。

If temperature ranges from 10℃ to 40℃ / varies between 10℃ and 40℃ , we can say the temperature range is 30 ．

如果溫度在 10℃與 40℃之間變動(dòng)，則我們可以說(shuō)，溫度變幅為 30℃。

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