The regression model, in which monthly average temperature varied with longitude and altitude, was established by data of longitude, latitude and altitude obtained by using GPS on the spot.
用GPS实地获取的气象站（哨）的经度、纬度和海拔高度数据建立了月平均气温随纬度、海拔高度变化的回归模型。
AR816 anemometer with ultra small impeller integrally anemometer, maximum, current value, average wind speed, wind temperature, wind velocity response of analog display, pocket-sized portable model.
AR 816风速计具有超小型叶轮一体式风速计，最大、当前值、平均风速、风温测量，风速反应模拟条显示，袖珍便携机型。
In the model, inputting the radiation and the average temperature the net leaf photosynthetic rate of greenhouse tomatoes in Tai Yuan district was a little bit higher than that in Holland.
但是，把最高温作为参数输入模型后，太原地区番茄叶片总光合速率降低，而呼吸速率却在升高，从而引起净光合速率的明显降低。
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