Of all chemical experiments, the most vivid and active teaching method is comprehensive and design experiments.
在化学实验课中，最生动、最活跃的教学形式是综合性实验和设计性实验。
Comprehensive effects of cu, Pb and Zn in Soil on growth, yield and quality of rice have been studied through a series of pot culture experiments with a 4 level and 3 factor orthogonal design.
采用4水平3因子正交试验设计，通过盆栽试验，用添加法研究了铜、铅、锌及其复合污染的红壤性水稻土对水稻生长、产量、品质的综合影响。
It is proposed that comprehensive design experiments should take experiment and discussion as the content, research methods as the focus and the cultivation of students' scientific ability as the aim.
综合设计实验的策划应以实验探讨为内容，以方法探究为重点，以提高学生科学素质为宗旨。
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