植物受高温伤害后会出现各种症状：树干易出现干燥、裂开；叶片出现死班，叶色变褐、变黄、鲜果出现日灼，严重时整个果实死亡；出现雄性不育，花序或子房脱落等异常现象。高温对植物的危害可分为直接危害与间接危害两个方面。
减轻城市高温危害的有效途径是通过采取某些措施，控制城市热岛强度。
So it must be an effective way to prevent the high-temperature disasters by controlling urban heat island.
针对东港市水稻生产中软盘隔离层旱育苗出现的高温危害问题，通过生产调查提出了软盘隔离层旱育苗受高温危害的表现状况；
The high temperature damage symptoms were demonstrated in drought seedling nurturing by using soft-disk as isolation layer in rice production in Donggang City.
他们认为在婴儿奶瓶中这种危害最大，因为当瓶子在高温条件下清洗时，BPA化合物会释放出来，然后渗透到牛奶中。
The risk is thought to be highest with baby bottles because the BPA compound can be released when the bottle is washed at high temperatures and can then leak into the milk.
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