第1楼2005/08/30
访问下面网站介绍了许信息可进一步查询
http://www.google.com/search?hl=zh-CN&lr=&ie=UTF-8&oe=GB2312&inlang=zh-CN&newwindow=1&client=pub-2700019057355415&cof=FORID:1%3BL:http://www.instrument.com.cn/images/hometitle.gif%3BLH:50%3BLW:468%3BGL:1%3BBGC:FFFFFF%3BT:%23000000%3BLC:%230000ff%3BVLC:%23663399%3BALC:%230000ff%3BGALT:%23008000%3BGFNT:%230000ff%3BGIMP:%230000ff%3BDIV:%23336699%3BLBGC:336699%3BAH:center%3BS:
http://www.instrument.com.cn%3B&domains=instrument.com.cn&sitesearch=instrument.com.cn&q=%E5%8E%9A%E5%BA%A6%E6%B5%8B%E5%AE%9A&suggest=0&oi=cjkrefinements_zh-CN