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The current time is a peak period of disease outbreak and the situation proves extremely grim.
当前正是疫病爆发的高峰期,形势非常严峻.
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Three applications of 300 - 500 times diluent liquid were done at the proper control period of disease.
在发病初期,使用20%噻森铜悬浮剂300～500倍液,连续用药3次,防效可达约80%.
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