一节出色的农业基础知識課的教学——关于上海县馬桥第二农业中学观摩教学“水稻的选种留种”一节課

Biology Teaching ›› 1959, Vol. 2 ›› Issue (1) : 11.

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PDF(475 KB)
Biology Teaching ›› 1959, Vol. 2 ›› Issue (1) : 11.

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