更换

The article ebbs from industry of advantage of tradition of area of 3 gorge library , the concussion that inadequacy of industrial structure flexibility , emigrant change builds 3 respects analysed industry of region of 3 gorge library to be changed hollowly inside unripe mechanism , because element makes used kill integratedly thinking industry of region of 3 gorge library is changed hollowly is all sorts of inside and outside .

本文从三峡库区传统优势产业衰退，产业结构弹性不足，移民迁建的冲击三个方面分析了三峡库区产业空心化的内生机理，认为三峡库区产业空心化是各种内外因素综合作用的结果。

ObjectiveTo establish the quality standard of Angelica Injection.

目的完善当归注射液的质量标准。