油菜叶面积是测定油菜的冬壮标准之一。它的计算方法有方格形测算和园形测算两种。在园形测算中,小园周之间还有一定的空隙,现将这个空隙面积的计算方法介绍如下:1.先求三角形面积。通过三个园心连成一个等边三角形(如图)。三角形面积的计算公式是:“1/2×底×高”。设“h”为 Rape leaf area is one of the winter criteria for determining rapeseed. Its calculation method has square grid calculation and garden calculation two kinds. In the calculation of the park, there is a certain gap between the small park week, now the calculation of the void area are described below: 1 first seek the area of ​​the triangle. Through the three garden into an equilateral triangle (pictured). The formula for calculating the area of ​​the triangle is: “1/2 x bottom x height”. Set “h” for