求翻译：结肠定位给药系统（oral colon specific dury delivery system,OCSDDS）又称为结肠迟释制剂，是20世纪70年代后期发展起来的新型给药系统。结肠部位由于pH条件温和，代谢酶少，在此部位释药可以减少胃肠道消化酶对药物的破坏作用，提高在结肠部位吸收药物的生物利用度，改善对结肠部病变（如溃疡性结肠炎、结肠癌等）的治疗，尤其适用于在胃肠道上段以降解的蛋白和肽类药物的给药。该给药系统的目的是避免口服药物在上消化道被破坏和释放，将药物直接输送到直肠，再以速释（脉冲）或缓释、控释给药，发挥局部或全身疗效。是什么意思？

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Colon positioning system to specific dury colon (oral delivery system, OCSDDS), also known as the colon preparation, interpretation is late 70s of the 20th century with later development of the new administration system. Because colon site pH mild conditions, metabolic enzymes, and low in this area

The colon localization (oral colon specific dury delivery system, OCSDDS) is called the colon slow-break preparation for the medicine system, is 20th century in the late 70's develops new gives the medicine system.Because the colon spot the pH condition is temperate, metabolism enzyme are few, relea

Colon specific drug delivery system (oral colon specific Dury delivery system,OCSDDS) also known as delayed-release preparation of colon, novel drug delivery system was developed late in the 1970 of the 20th century. Colon parts due to pH conditions moderate, metabolism enzyme less, this parts relea

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