From the test of allergic reaction by intradermal injection with PPD, the survey methods are concluded as follows: the interpretable rate with PPD is higher, the specificity is better, the operation is more convenient, comparing with that of OT.
通过牛提纯结核菌素皮内注射变态反应小区试验,总结出了达州市奶牛结核病普查方法:使用提纯结核菌素(PPD)比普通结核菌素(OT)检出率高、特异性强、操作简便。
Since modern Chinese can be traced back to the same origin as ancient Chinese and be interpretable to it, modern language teaching should be carried out in association with traditional linguistics.
此时期学者们从文字产生、相关概念的运用、研究的思路和研究的方法上认识和把握字词关系,体现出传统语言学向现代语言学迈进时的特色。
Not interpretable or recognized in the system in which it occurs.
在所在的系统中是不可解释的或不能识别的.
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