adj. 三角洲的；三角形的
1.The characteristics and regulation methods for the deltaic tract of Xiang-jiang River are introduced.
介绍了湘江入湖河口三角洲航道特征和整治方法。
2.Abundant in natural gas sources, Jurassic Shaximiao Formation in west Sichuan Basin is a red sandstone and shale mainly deposited in fluvial, deltaic shoal faces.
四川盆地西部侏罗系沙溪庙组是河流—三角洲—滨浅湖沉积为主的红色砂泥岩系，天然气资源相当丰富。
3.The marginal deltaic swamp plain is an excellent place for...
其中三角洲沼泽平原是最好的聚煤场所。
4.The marginal deltaic swamp plain is an excellent place for coal-accumu…
其中三角洲沼泽平原是最好的聚煤场所。
5.Triassic Yanchang deltaic oil-gas located in east of basin with two kinds of oil-gas reservoir sequence, the lacustrine facies delta foreset sand body and plain distributary sand body.
二是上三叠系延长组三角洲油气区，主要位于盆地东部，具有湖相三角洲前积砂体和平原分流河道砂体两种油、气藏序列。
6.Yanchang 2 formations are deltaic deposits during disappearing of lake-basin.
长2组即是在湖盆消亡时期形成的一套三角洲沉积。