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關注：1
2013-05-23 12:21
求翻譯：該研究采用2：1配比的隨機雙盲試驗設計原則，觀察3~5月齡、6~23月齡、2~6歲和7~24歲4個年齡組，檢測免前、后A、B、C群血清殺菌率抗體水平是什么意思？ 待解決
 懸賞分：1
- 離問題結束還有
該研究采用2：1配比的隨機雙盲試驗設計原則，觀察3~5月齡、6~23月齡、2~6歲和7~24歲4個年齡組，檢測免前、后A、B、C群血清殺菌率抗體水平
問題補充： |
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2013-05-23 12:21:38
The study used a 2:1 ratio of randomized double-blind study design principles, observed 3 to 5 months of age, 6 to 23 months of age, 2 to 6 years old and 7 to 24 years and four age groups, free testing before and after A, B, C group antibody levels in serum bactericidal rate
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2013-05-23 12:23:18
正在翻譯，請等待...
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2013-05-23 12:24:58
This research uses 2:1 allocated proportion the stochastic double blind experiment principle of design, observes 3~ in May age, 6~23 ages of the moon, 2~6 years old of and 7~24 year old of 4 age groups, the examination exempts before and after A, B, C crowd of blood serum bactericidal coefficient im
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2013-05-23 12:26:38
The study used the ratio of 2:1 double-blind experimental design principles, looking at six months age and 3-5 months of age, 2~6sui and 7~24sui 4-age group, testing before and after the a, b, c-rates of serum bactericidal antibody level
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2013-05-23 12:28:18
Using ratio of 2:1 randomized double blind experimental design principles, observe the 3-5 age 6-23 months old, 7~24sui 4 age groups and 2~6sui, detection from front, a, after b, c serum bactericidal antibody level of rates
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