固定毒株(fixed strain)是街毒株持续在家兔脑内屡次传代获患上的毒株,特点为毒力削弱,潜伏时期缩短在1周摆布,对于上下团结犬掉去致病力,不克不及侵入脑以...
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... 敏感品系 YCS 父本品系 male parent line 固定品系 fixed strain ...
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fixed virus strain 固定毒株
Rabies fixed virus 4aG strain 狂犬病固定毒4aG株
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The real test for joining the euro should be whether an economy is flexible enough to cope with the strain of a permanently fixed exchange rate.
ECONOMIST: Small countries should adopt the euro��if they can
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