The critical value of drought is obtained by using the drought diagnosis criterion offered by r.
谢良尼诺提出的旱情诊断判据，结合广西历史上旱情情况，确定了旱情具体判据值。
Objective To study the application value of the small opacity profusion in pneumoconiosis diagnosis criterion.
目的探讨尘肺诊断标准中小阴影密集度的应用价值。
Conclusion: To set up the diagnosis criterion of extrahepatic bile duct carcinoma is the key of improving its prognosis.
结论：建立规范的肝外胆管癌诊断程序，是改善肝外胆管癌愈后的关键。
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