布尔组合 meaning in English

boolean combination

Regions a region is a complex area of any shape and is generally defined as a boolean combination of simpler regions
区域-区域是任何形状的复杂区域，它通常被定义为较简单区域的布尔组合。
Drawing modes are binary raster - operation codes representing all possible boolean combinations of two variables , using the binary operators and , or , and xor ( exclusive or ) , and the unary operation not
绘图模式是二进制的光栅操作代码，使用二元操作符and , or和xor ，以及一元操作符not ，表达了两个变量所有可能的布尔组合。