一次实验专案设计和一次理论专案设计，帮助学生学习如何提出可测试的假设，如何进行研究以及如何说明结果。
Two projects - one experimental and the other theoretical - to help students learn to pose testable hypotheses, to conduct research, and to communicate results.
一次实验专案设计和一次理论专案设计，帮助学生学习如何提出可测试的假设，如何进行研究以及如何说明结果。
Two projects - one experimental and the other theoretical - to help students learn to pose testable hypotheses, to conduct research, and to communicate results.
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