We do not have any objects that need to be cleaned up so we can have a no-op implementation of dispose , and the compose (...) method is where we will do the pixel manipulation.

我们没有任何需要清除的对象，所以可以有一个dispose的不进行任何操作的实现，compose(…)方法则是我们对像素进行操作的地方。

youdao

During project construction, the remaining roots of trees and remaining board of ground beams should be cleaned up. For those can not be dismantled, pesticide should be applied on them.

工程建设期间，对地下遗留树根、地梁的残留木板等进行清理，对无法拆除的应进行药剂处理；

youdao

During project construction, the remaining roots of trees and remaining board of ground beams should be cleaned up. For those can not be dismantled, pesticide should be applied on them.

工程建设期间，对地下遗留树根、地梁的残留木板等进行清理，对无法拆除的应进行药剂处理；

youdao