论述CAI对传统课堂教学模式的转化，并进行分析比较，提出一些思考性问题。
This paper discusses that CAI (Computer Assisted Instruction) changes mode of traditional classroom teaching, and analyze, compares offer some problems which will cause people to think.
方法测定177例胆道癌，213例胆石症，187例对照人群六项血脂指标，并进行分析比较。
Methods:Analysis and comparison of 6 item serum lipids in 177 biliary system cancer, 213 gallstone patients and 187 population controls.
这项研究是已知的首个试图将风险因素与老年痴呆症的关联加以量化并进行比较的分析。
The study is the first known analysis that tries to quantify and compare how risk factors are associated with Alzheimer's.
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