We're going to have a new lesson today.

It was evident that the good clergy of Barchester were to have a lesson.

很清楚，巴彻斯特的善心的教士要听上一次教训了。

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The most interesting entity is namely teachers acting for pupils have a lesson with senior pupils deeding as teachers.

最有趣的活动是教师们将以学生的身份参加由高年纪学生扮演老师主持的一节课。

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This regarding such as north Korea and Iran, for countries that have a lesson.

这对于像朝鲜和伊朗这样的国家来说，不得不是个教训。

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Xin: I have a lesson once a week but I try to practice every day.

我一周上两次课，但是我争取每天都联系。

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I have a lesson in art history tomorrow.

我明天有一堂美术史的课。

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I said I had to have a lesson on internet.

我说的是必须去网上听课。

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The Heavy Metal Pollution of Feed and Its Prevention

饲料中的重金属污染及其预防

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Effects of Heavy Metal on the DNA Methylation Level in Rice and Wheat

重金属对水稻和小麦DNA甲基化水平的影响

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And heavy metal related not obvious, and trace elements related not obvious.

与重金属相关不明显，与微量元素相关不明显。

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The test report on heavy metal wastewater treatment of Guangzhou battery East factory

重金属废水治理试验

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Preliminary study of heavy metal pollution in soil and plant near antimony mine area

锑矿区土壤和植物中重金属污染初探

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Research advances of microbiological method for heavy metal removal from municipal sludge

微生物方法降低城市污泥的重金属含量研究进展

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Pollution Status and Evaluation of Heavy Metal in Vegetable Production Base in Shenyang

沈阳市蔬菜生产基地重金属污染及评价

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Study on Characteristics of Heavy Metal Species in the Soils Near the Tailings

尾矿库周围土壤中重金属存在形态特征研究

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Heavy metal pollution in sediments from the Three Gorge Reservoir Area

长江三峡库区江段沉积物的重金属污染特征

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Advance of study on harmful heavy metal pollution on vegetables

蔬菜中有害重金属元素污染研究进展

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Experimental study on heavy metal ion transport in clay under coupled flows

多场耦合作用下重金属离子在粘土中的迁移性状试验研究

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Distribution and transport of heavy metal elements during coal pyrolysis

重金属元素在煤热解过程中的分布迁移规律

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Advances in Research on Resistance Mechanism of Plant to Heavy Metal Phytoremediation

植物对重金属的抗性机理及其植物修复研究进展

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The Research of Reducing Heavy Metal in The Excess Activated Sludge

生化剩余活性污泥中重金属脱除技术的研究

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