Mr Aldersey-Williams bemoans the decline of classroom chemistry, and the rise of a culture in which experiments performed by teachers must be timed to coincide with the length of the lesson.
奥尔德-威廉姆斯[color=#0000ff]抱怨化学教学的倾斜以及一种文化的[color=#0000ff]兴起。在这种文化中教师[color=#0000ff]做实验[color=#0000ff]的时间必须配合一节课的长度。
So it's really the upfront cost to move to this, in terms of classroom space and developing pedagogy, and buying us top experiments.
因此搬到这种教室，才是最主要的花费，其中包括教室空间设置，开发教学模式，购买高级实验设备等。
Simple demonstration experiments simulating motor rotary field with theoretical teaching improve classroom instruction effect.
用简单的演示实验模拟交流电动机旋转磁场，配合理论教学，改善了课堂教学效果。
Part IV is on the development of classroom lessons and experiments on the evaluation through questionnaires and data analysis of the experimental results.
第四部分是对发展性课堂教学评价实验的总结与反思，通过问卷和数据分析了实验的成果。
Through a survey of English classroom teaching patterns in some high schools and teaching experiments in a high school, the importance and effectiveness of the eclectic approach are confirmed.
通过高中英语课堂教学方式的一次问卷调查和在高中英语教学中进行的“折中”教学实验，证实了“折中”在高中英语课堂教学中的重要性和有效性。
"In lab experiments, you're able to control for all factors except the one you're studying, " said Dr. Willingham. "Not true in the classroom, in real life.
“在实验室做实验，除了研究对象之外，其他的所有因素都在你掌控之内，” 威林厄姆博士说，“但是在教室里，在现实生活中却并非如此。
"In lab experiments, you're able to control for all factors except the one you're studying, " said Dr. Willingham. "Not true in the classroom, in real life.
“在实验室做实验，除了研究对象之外，其他的所有因素都在你掌控之内，” 威林厄姆博士说，“但是在教室里，在现实生活中却并非如此。
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