This sickness not obvious seasonal characteristic, the summer autumn are slightly many.
本病无明显季节性，夏秋季略多。
Because selling of the home air conditioner trade has the obvious seasonal characteristic, its distributor management presents periodic return.
由于家用空调行业销售具有明显季节性特点，其经销商管理呈现周期性循环的特点。
Results That there was an obvious seasonal characteristic of the incidence of pneumonia in children, which varied with the area and age of children individually.
儿童肺炎发病率有明显的季节性规律，不同地区不同年龄组儿童肺炎的季节性规律不尽相同。
Fall ill originally obvious seasonal characteristic being popular for having, changeful autumn of weather is last, early spring and chill winter are easy to happen.
本病地盛行有较着地时节性，气候多变地秋末、初春和冰冷地冬季易发作。
Therefore, the silkworm cocoon production and the supplies have, the home economics supplement, poly tropism and seasonal characteristic and so on the side occupation.
因此，蚕茧的生产与供给具有副业性、家庭经济的补充性、多元性和季节性等特点。
Arid and half arid area often suffer the drought which has the seasonal characteristic or difficult anticipated, its result can have the serious influence to the agricultural production.
干旱和半干旱地区常伴有季节性或难以预期的干旱，其结果会对农业生产造成严重影响。
Objective: to explore the modeling and predicating problem in seasonal distribution characteristic disease.
前言：目的：探讨季节性疾病的建模预测问题。
The average intensity of lightning occurs clearly with a characteristic of seasonal variation, in which there are one peak and one valley.
正、负闪电频次年、日变化均呈双峰值特征，但不同时间、不同区域之间存在差异；
The average intensity of lightning occurs clearly with a characteristic of seasonal variation, in which there are one peak and one valley.
正、负闪电频次年、日变化均呈双峰值特征，但不同时间、不同区域之间存在差异；
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