There are up to 50,000 symptomless carriers of the disease in the area.
在这个地区,有多达五万名这种疾病的无症状带菌者.
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Usually early symptomless , when the symptom presents the eye to be blind, irreversible.
通常早期无症状, 等到症状出现眼睛已瞎, 不可逆转.
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A method for detection in lily symptomless virus ( LSV ) from lily bulbs was developed.
建立从百合种球幼芽中直接检测百合无症病毒 ( LSV ) 的体系.
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