影响糖份累积的关键气象因子主要是光温积和气温日较差。
The key factors of sugar accumulation are of main light temperature accumulation and daily range of temperature.
在结构温度作用计算中需气象参数作为其边界条件，主要有日照辐射、气温日较差、风速这三个参数。
The meteorological parameters, such as solar radiation, temperature difference and wind velocity are boundary conditions in temperature effect analysis of structures.
统计结果和实测资料的比较以及统计分析的相关系数结果表明，高原地区的气温、地面温度和它的年较差与经度、纬度及海拔高度具有很好的相关性。
It is demonstrated that the air temperature, ground temperature and their annual ranges in the Tibetan Plateau are highly correlated with corresponding latitude, longitude and elevation.
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