創造發明在後。知識積累到一定程度再去創新。不讚賞中學生搞科研。美國基礎教育一團糟,科研、改變世界的幌子滿天飛。
創造發明在後。知識積累到一定程度再去創新。不讚賞中學生搞科研。美國基礎教育一團糟,科研、改變世界的幌子滿天飛。
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