四川西部地区有着悠久的人类文明历史。
The west region of Sichuan province has a long history of human civilization.
本文利用四川西部地区近二十年来的水准资料，分析了该区近期大地垂直形变场演化状况。
Using the levelling data obtained near 20 years in West Sichuan area, the evolutional Status of recent vertical deformation field are analysed.
西部地区，尤其是四川、陕西和云南，以中药研究及生产见称。
The western region , particularly sichuan , shaanxi and yunnan , are strong in chinese medicine research and production.
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