some leaves reduced
部分叶片减少
以上为机器翻译结果，长、整句建议使用 人工翻译 。
An approximation algorithm was given to find an out-branching with many leaves in the reduced digraph. Furthermore, some optimization rules were given to improve the out-branching.
对于用近似算法求得的出分枝，又结合前面的规约规则设计了优化规则，以进一步通过优化变换增加出分枝的叶子节点。
youdao
应用推荐
模块上移
模块下移
不移动