... mealy plum aphid 桃大尾蚜 mean annual precipitation 年平均降水 mean depth of water 平均水深 ...
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This region mean annual precipitation was about 550～650 mm , 180 days frost-proof date and the soil is sandy loam .
该地区年平均降水量550～650mm,无霜期约180d,土质为沙壤土。
参考来源 - 紫花苜蓿叶颗粒饲料加工技术的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
全年平均降水量659毫米，增加8.0%。
The annual average precipitation was 659 millimeters, up by 8.0 percent.
中国东部的雨量较多，年平均降水量为250—400毫米。
The eastern part of China has more rainfall, with an annual average of 250-400 mm.
年平均降水量413毫米，常发生的灾害有干旱，冰雹和霜冻。
The annual average precipitation 413 millimeters, often disasters are drought, hail and frost.
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