目前国内还没有此类改性剂。
At present, a modifier of the class does not exist in China.
然而目前国内还没有其工业应用的先例。
However, there is no precedent for its industrial applications in our country until now.
目前国内还没有一家银行，完整系统的实施关系营销战略。
Not a domestic bank, complete the implementation of relationship marketing system strategy.
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