n.密集；收縮

The characteristics of small faults are coarctation and zonation with clear direction. 小斷層具有密集成帶的特點(diǎn)，且方向性明顯，成為影響煤礦生產(chǎn)的主要地質(zhì)因素。

The coarctation characteristic of capital of the real estate industry has determined that the real estate industry is a financial industry in fact. 摘要房地產(chǎn)行業(yè)的資金密集性特征決定了房地產(chǎn)行業(yè)實(shí)質(zhì)上是一個(gè)準(zhǔn)金融行業(yè)。