The result of experimental showing can fully and directly reflect the knowledge contents and a relatively high request of the experimental equipment.
实验演示结果能否直观、全面地反映知识内容，对实验设备提出了较高的要求。
The result of experimental showing can fully and directly reflect the knowledge contents and a relatively high request of the experimental equipment.
实验演示结果能否直观、全面地反映知识内容，对实验设备提出了较高的要求。
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