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1·The term substantial equivalence has never been scientifically or legally defined.

但是，“实质等同”这个词汇从来没有从科学上或者从法律上定义。

2·In fact, substantial equivalence has never been scientifically or legally defined.

事实上，对“实质等同”从来就没有进行无论科学界定或法律界定。

3·Washington Accord is a degree of mutual recognition agreements, it is based on the principle of substantial equivalence.

《华盛顿协议》是个学位互认协议，它是建立在实质等效原则基础上的。

4·In these controversies, there are four hot issues, which are, non?target organisms harmed, concept of substantial equivalence, need transgenic foods carry a label?and preventive principle.

在这些争论中“非目标生物伤害”、“实质等同性”、“转基因食品要不要贴标签?”“和”预防性原则”成为热门话题。