该制剂口服后可以维持自身密度小于胃内容物密度，从而较长时间在胃中呈漂浮状态，而不受胃排空速率的影响。
FDDS have a bulk density lower than gastric fluids and thus remain buoyancy in the stomach without affecting the gastric emptying rate for a prolonged period of time.
该制剂口服后可以维持自身密度小于胃内容物密度，从而较长时间在胃中呈漂浮状态，而不受胃排空速率的影响。
FDDS have a bulk density lower than gastric fluids and thus remain buoyancy in the stomach without affecting the gastric emptying rate for a prolonged period of time.
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