Then , using the system tract of four-rank as the unit, we have drawn 10 sediment ichnographies of this region, whose evolving laws and patterns of sediment have been summarized.
然后以四级层序的体系域为单元，编制了10 张沉积平面相图，总结了研究区的沉积演化规律和沉积模式。
In single unit pellet system, this study attempts to develop a timely controlled release dosage form with minimization of transit time and pH effects of gastrointestinal tract.
在单室圆粒系统部分，本研究试图开发具有降低药物通过胃肠道时间与酸碱值影响性之及时控释剂型。
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