求翻译：由于药 物载体为纳米级粒子，因而使其具备了一些特殊的性质，如增强物质在给药 过程中的靶向性，缓释性和可控性，并且具备了低毒性，生物相容性等特点。是什么意思？

Drug carrier nanoscale particles, and thus it has some special properties, such as enhancement of the target material in the administration process, the slow release and controllability, and has a low toxicity, biocompatibility, etc. features.

Because drugs carrier for nano-particles, and thus have a special character, such as enhanced material in the administration of the target in the process, the slow release and control, and has a low toxicity, and biological compatibility.

As a result of medicine carrier for nanometer level granule, thus caused it to have some special nature, like the enhancement material in gave in the medicine process the target tropism, the slow release and the controllability, and has had the low toxicity, characteristics and so on biological comp

As a drug delivery system for nano-particles, thus making it a number of special properties, such as enhancing substances during the administration process targeting, sustained-release and controlled-and have a low toxicity, bio-compatibility and so on.

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