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\nPLGA\uff08\u805aDL\u4e73\u9178\uff09\u4ea7\u54c1\u8bf4\u660e\u4e66
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\n\u50a8\u5b58\u4e8e\u5bc6\u95ed\u5bb9\u5668\u4e2d\uff0c\u907f\u5149\u3001\u9632\u6f6e\uff0c\u5efa\u8bae\u6e29\u5ea6-20\u2103\u81f34\u2103\uff08\u957f\u671f\u4fdd\u5b58\u9700-20\u2103\uff09\u3002\u4f7f\u7528\u524d\u9700\u5e73\u8861\u81f3\u5ba4\u6e29\uff0c\u907f\u514d\u53cd\u590d\u51bb\u878d\u3002\u6eb6\u89e3\u65f6\u63a8\u8350\u4f7f\u7528\u4e8c\u6c2f\u7532\u70f7\u3001\u4e59\u9178\u4e59\u916f\u7b49\u6709\u673a\u6eb6\u5242\uff0c\u6c34\u76f8\u4f53\u7cfb\u9700\u914d\u5408\u4e73\u5316\u5242\uff08\u5982PVA\uff09\u5236\u5907\u4e73\u6db2\u3002\u64cd\u4f5c\u65f6\u9700\u5728\u901a\u98ce\u6a71\u4e2d\u8fdb\u884c\uff0c\u907f\u514d\u5438\u5165\u7c89\u5c18\u3002
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