牛奶标准的有效性。

Second, the effectiveness of milk standards.

youdao

解读文本的有效性标准就是能有效触动学生的灵魂。

Interpretation of the effectiveness of standard text that students can touch the soul.

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第三章提出了课堂提问有效性的标准。

The third chapter brings up the classroom to lift to ask the standard of validity.

youdao

第三章提出了课堂提问有效性的标准。

The third chapter brings up the classroom to lift to ask the standard of validity.

youdao