1·Many combinations of effective window aperture were included in the regression data set used to find the FFs coefficients.
许多组合的有效窗口光圈中列入了回归的数据集用来寻找农夫田间学校系数。
3·After door window is installed, appear directly tall the aperture of low, fan and casing is inhomogenous phenomenon, exist sometimes on wide below narrow or below wide on narrow issue.
门窗安装后，出现一头高一头低、扇和框的缝隙不均匀现象，有时存在上宽下窄或下宽上窄的问题。