You can use any expression that evaluates to a value for the parameter value. 也可以使用任何表达式来计算参数值。
Parameter ratios which are calculated by concrete meteorological calculation parameters proofed the correlation characteristic in the middle of building climate subarea. 根据具体气象计算参数计算出的冬夏参数比，验证了其在建筑气候分区应用中的关联特性。
