Using a logger hierarchy it is possible to control which log statements are output at arbitrarily fine granularity but also great ease.
使用一个日志层次对象，它有可能控制日志声明的输出在任意的好的粒度，而且这样做是很容易的。
Using a logger hierarchy it is possible to control which log statements are output at arbitrarily fine granularity but also great ease.
使用一个日志层次对象，它有可能控制日志声明的输出在任意的好的粒度，而且这样做是很容易的。
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