Macular hemorrhage, a clinical sign seen in various kinds of ocular fundus diseases, may cause serious visual disturbance. At present, there has not yet been an effective treatment for the disease.
黄斑出血是一种见于多种眼底病的临床体征，常造成严重的视功能障碍，目前尚无特效疗法。
More than 30 kinds of diseases and pests have been reported, but the damage of sweetpotato black rot, sweetpotato root rot, sweetpotato stem nematode and sweetpotato bacterial wilt is serious.
我国甘薯病虫害危害严重，已经发现报导的有30多种，其中发生比较广泛、为害比较严重的有甘薯黑斑病、甘薯根腐病、甘薯瘟病、甘薯茎线虫病。
Conclusion the epidemic status of notifiable disease of Jincheng Coal mining group co. Ltd was serious. It is necessary to constantly enhance the prevention of all kinds of infectious diseases.
结论晋煤集团法定传染病疫情形势严峻，必须加强各种传染病的防治工作。
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