观察法和专题讨论法适用于探索性调研，问卷调查法适用于描述性调研，而实验法适用于因果性调研。
While observation and focus groups are best suited for exploratory research, surveys are best suited for descriptive research and experiment for causal research.
用避暗实验法和自主活动法，分别观察了非均匀恒磁场N极、S极对急性低压缺氧引起的学习记忆障碍的影响。
The step through test and independent activity were used to observe effect of uneven constant magnetic field pole N and S on learning and memory impairment induced by hypobaric hypoxia .
采用文献资料法、实验法、观察法、数理统计法来了解自编有氧健身操对中老年女性健身作用的影响及推广价值。
This paper aims to prove the impact of Aerobics on the middle and aged women, based on document, experiment, observation and data analysis.
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