春季干旱多风，夏季高温炎热，秋季凉爽多雨，冬季寒冷少雪，四季分明。
Windy spring drought, high temperature hot summer, cool autumn rain, cold winter, less snow, the four seasons.
我国的落叶果树多生长在夏季高温、干旱地区，果实日灼病问题相当突出，尤其是苹果、葡萄、石榴等树种发生严重。
Under the strong light and arid climate conditions in summer, many fruit crops such as apple, grape and pomegranate are commonly and severely affected by sunburn in China.
龟纹瓢虫propylaeajaponica是我国干旱、半干旱地区农林果蔬生产中重要的捕食性天敌之一，尤其在夏季高温、干旱的情况下，对果园、棉田的幼龄害虫和卵的捕食作用非常明显。
Propylaea japonica is one of important predatory natural enemies in arid and semi-arid area China, especially those preying on younger larvae and eggs of insect pest in orchards and cotton fields.
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