compactness是什么意思 n. 紧密, 紧密度, 简洁, 坚实[计] 紧致性, 压缩性 n. the consistency of a compact solid compactness的用法和例句： 1. There's vertical compaction, and there's horizontal compaction. 一是垂直压实 二是水平压实 2. And the reason why, as tha...
