ds 5
ds 5-
They also noted that product specific support was negative in DS : 5 .
他们还注意到DS：5表中的特定产品支持为负数。
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Delta and river channel sand bodies in lowstand system tract of DS 4 and DS 5 sequences are good reserviors .
DS4，DS5层序中低位体系域的三角洲和河道砂体是物性良好的储层；
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Carboniferous Permian sedimentary formations in the eastern part of the North China Platform comprise five depositional sequences . DS 1 to DS 3 in the lower part are marked by epicontinental depositional sequences , DS 4 is a transitional sequence , and DS 5 is a lacustrine sequence .
华北地台东部石炭二叠纪沉积建造由5个沉积层序构成，下部DS1DS3为陆表海型层序，DS4为过渡型层序，DS5为湖泊型层序。