well-defined depression 中文意思是什麼
well-defined depression
解釋
輪廓分明的氣旋- well : n 1 井。2 泉水；源頭，來源。3 坑，穴，凹處；【礦物】礦井，豎坑；【軍事】（地雷的）井坑；【建築】...
- depression : n 1 壓低，降低，陷落。2 凹窪；窪地，沉降地。3 不景氣，蕭條，不振。 4 沮喪，消沉。 5 低氣壓。6 【...
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Linnan sub - depression which is mesozoic and cenozoic faulted lacustrine basin is located in the southwestern part of huimin sag, depression of jiyang. it is dominated by lacustrine - fill sub - depression. based on well logs, three - dimension seismic profiles, cores and other basic data, 10 horizons including 6 turnaround surfaces and 4 maximum flooding surfaces are defined from es3 to the lower part of es2 formation, and 1 long - term and 5 intermediate - term base - level cycles which are named from c5 to c1 could be identified, and then the chronostratigraphic framework of the sub - depression is built
本文以巖心、鉆井、測井、地震資料為基礎，在下第三系沙三段沙二下的一個長期基準面旋迴（二級層序）內部識別出10個有時間地層對比意義的界面，包括6個基準面下降到上升的轉換面（層序界面） ， 4個基準面上升到下降的轉換面（湖泛面） ，劃分出c1 - c5五個中期基準面旋迴，建立了等時地層格架地層格架。
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