It is valuable to study the new synthetic method of them.
研究它们的合成具有重要的价值。
The new synthetic method of ferrocene has also been studied.
研究了二茂铁的新合成法。
This paper research on a new synthetic tanning agent and the method of preparation.
本文研究一种新的合成鞣剂及它的制备方法。
This paper research on a new synthetic tanning agent and the method of preparation.
本文研究一种新的合成鞣剂及它的制备方法。
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