The compositing mode determines whether pixels from a source image overwrite or are combined with background pixels 合成模式确定源图像中的像素是重写背景像素还是与背景像素结合。
2.
Could be used to enhance ogsa to compose a new business process using the existing grid services based on some optimal service selection mechanisms and composition schema 可以用来增强ogsa以根据一些最优化的服务选择机制和合成模式使用现有的网格服务合成新的业务流程。