并用双重筛选逐步回归的方法分析了环境(气候和土壤)因子与植物群落生活型谱梯度的关系，建立了相应的数学模型。
The relationship between environmental factors (climate and soil) and plant life form gradient was analysed by doub sieving progressive regression method, and mathematical models were set up.
最后，根据气候条件提出在广州地区横坡为4%的混凝土箱梁桥的温度梯度模式。
Finally, based on the climate conditions, it is pointed out that the transverse slop in Guangzhou region is 4% temperature gradient model of concrete box beam bridge.
本文则用气候模式对作者提出的有地形数值模式中气压梯度力的误差扣除法进行了模拟检验。
Modelling tests are made in this paper to check the error subtraction scheme of the pressure gradient force in models with topography developed by the authors.
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