at the onset of的中文意思

at the onset of的中文意思

大萧条的出现大大削弱了货币数量论的信誉.The date of onset of the illness may be important in determining the incubation period and the source of infection发病的日期对确定潜伏期和传染源可能是很重要的.Heat sum is a useful measure of the onset of meristematic activity buds in deciduous and fruit trees积热也是测定落叶树和果树芽分生组织活动的有效手段.The onset may not be accompanied by any of the acute signs but may appear insidiously发病时可能不伴有任何急性症状,但可能隐匿地出现.The onset of this disease may resemble the prodromal period of icteric hepatitis它的发病与黄疸型肝炎的前驱期相似.

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