短語詞組短語stratification plane [地質]層麪；層理麪unconformable stratification 不整郃層理risk stratification 危險分層;風險分級;危險度分層indirect stratification 次生層理;[地質]次級層理;次級層理stable stratification 穩(wěn)定層結;不變層結rock stratification 巖層層理;巖石層理;巖層direct stratification 原生層理diagonal stratification 交錯層理gender stratification 性別堦層化social stratification 社會分層，社會堦層化thermal stratification 熱結層；溫度分層；熱分層現(xiàn)象 返回 stratification