[科技] 无处稠密的
... 无处稠密点集：nowhere dense set 无处稠密的：nowhere dense 无差别区域：indifference range ...
稀疏的
... 零 nought 稀疏的；无处稠密的 nowhere dense 无处稠密集；疏集 nowhere dense set ...
勒贝格可测集和疏朗完备集是两类重要集合，是实变函数中的重要内容。
But the grave was nowhere to be found though I searched every nook and corner of the dense forest. Where was it gone?但我已经走遍了这莽莽的松原，我的坟墓究竟往那儿去了呢？
But the grave was nowhere to be found though I searched every nook and corner of the dense forest. Where was it gone to?但我已经走遍了这莽莽的松原，我的坟墓究竟往那儿去了呢？
