1、 The degree of comparison can be expressed morphologically or syntactically.
比较级可以通过词形或者语义来实现.
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2、 When heterothallism is purely physiological, morphologically identical strains exist ( often designated plus and minus strains ).
当异宗配合纯粹是生理上时, 存在形态上相同的菌系 ( 经常用+—号表示 ).
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