Other than generic study by stages, the paper adopts the way of using key words.

区别于一般的分期研究, 本文采用了关键词研究法.

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重点词汇

相关例句

1、

He did the long journey by stages.

他分站分段地走完了漫长的路程.
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2、

Chemistry Decomposition of a compound by stages , exhibiting well-defined intermediate products.

降解,递降分解:化合物的递降分解, 显示出清楚明白的中间生成物.
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3、

This should be done by stages and in batches.

要分期分批.
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4、

He was for emancipation by stages and with compensation.

他赞成逐步解放,采取补偿的办法.
来源：英汉非文学 - 历史
5、

Steamships are larege non-military ships driven by steam power.

蒸汽轮船是用蒸汽驱动的非军用轮船.
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6、

Activated carbon was prepared from tobacco stem by steam activation.

以烟秆为原料,经炭化后用水蒸气活化制备活性炭.
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7、

Nicotine can be extd. from tobacco waste by steam distn.

尼古丁可以用蒸气蒸馏的方法从烟草废料中萃取.
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8、

Do you run the trains on oil or by steam?

你们开火车用油还是用蒸汽?
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9、

The cylinder can be heated by steam, electric or oil.

滚筒具有蒸汽加热、电加热及油加热三种方式.
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10、

They were scalded by steam from the burst pipe.

他们被爆裂的管子里喷出的蒸汽烫伤了.
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11、

Steam condensate was produced by steam exchanging heat during oil refining.

蒸汽凝结水是在石油炼制生产过程中蒸汽经换热后凝结产生.
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12、

Trains in the past were powered by steam engine.

以前的火车都是由蒸汽机带动的.
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13、

Methods: The volatile oil was extracted from Fructus Aurantii by steam distillation.

方法: 采用水蒸气蒸馏法从枳壳中提取挥发油.
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14、

He experimented in chemistry, in ploughing by steam power.

他做化学实验, 实验用蒸汽耕田.
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15、

He used to travel by steam.

他过去常乘轮船旅行.
来源：词典精选例句
16、

The machinery is driven by steam.

这些机器是由蒸汽推动的.
来源：词典精选例句
17、

Some railroads once run by steam are now electrified.

从前由蒸汽操纵的铁路现在电气化了.
来源：词典精选例句
18、

The piston moves by steam pressure.

活塞在蒸汽压力下运动.
来源：《现代汉英综合大词典》
19、

This machine is driven by steam.

这部机器是用水蒸气推进的.
来源：《现代汉英综合大词典》
20、

You can get there by subway.

你可以搭地铁.
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