但由于不同酶制剂最佳工作条件的不一致，使复合酶精练受到极大限制。
However, the optimal scouring conditions vary with enzyme preparation, which has greatly limited the application of compound enzymes.
英语谚语大量使用修辞格，使之精练简洁、形象鲜明、韵律优美，从而产生强烈的艺术感染力。
Using many rhetorical methods, English Proverbs are concise and full of bold image and beautiful rhyme, and could intensify strong impact of art.
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