The students were into four groups before doing experiments.
学生们在做实验前分成四组。
Some teachers also allow the students to repay the bank by doing lab experiments or giving public speeches.
一些老师还允许学生通过做实验或发表公开演讲来偿还银行的贷款。
Students must obey a set of rules when doing experiments.
当学生做实验时，必须遵守一系列规定。
The course introduces basic concept of chemistry which help students with their understanding theory of chemistry as well as doing some fundamental experiments.
本课程主要介绍化学课程的基本原理、概念，了解相关的化学实验。
Labs in universities do not get rid of the experimental mode of doing experiments according to the course design to prove the theory, which restrains the cultivation of students 'experimental skills.
高校实验室尚未真正摆脱按课程设置实验及以验证理论为主的实验模式，束缚了对学生实验技能的培养。
Fourthly, although most students have the aspiration of doing experiments the chances of operating by themselves are still not enough.
虽然大多数学生具有要做实验的要求，但是学生的动手操作机会仍然较少。
And those grad students who spent the year doing research and teaching showed bigger improvements in coming up with testable hypotheses and in the design of valid experiments.
那些一个学年即投入研究又投入教学的学生在提出检验性建设和设计有效实验方面表现出更大的进步。
According to records of students' doing experiments, students of the surveyed class have more ability to operate than other class.
从实验课上学生的实验操作过程及实验报告的记录情况来看，实验班学生的实验操作能力要好于对照班。
In this process the students learned "How the impurity affects the melting point and boiling point" and "the factors affecting the rate of diffusion" by doing experiments themselves.
因此在本单元的学习过程中，学生通过实验的方式对其中的两个知识点“杂质对纯物质熔沸点的影响”和“影响扩散速率的因素”进行了学习。
The students are doing the experiments carefully in the lab now.
同学们现在正在实验室里认真地做实验。
The students are doing the experiments carefully in the lab now.
同学们现在正在实验室里认真地做实验。
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