On the high stage of Chinese language teaching, we should breakthrough sentence limitation and develop it into a textual teaching methed.
在汉语教学的中高级阶段，我们要突破句本位局限，扩展为篇章教学。
Methed Unsymmetrical PCR was used to amplify HLA A gene exon 2,3. The PCR products were used as templates for hybridization.
方法采用不对称PCR方法，扩增HLA A基因的第2 ，3外显子，荧光标记扩增产物，作为杂交模板。
Methed: Qualitative and quantitative chemical analysis methods were used to evaluate the quality of different cutting processed A. sinensis.
方法：采用化学手段，建立多指标定量、定性评价的方法，评价不同方法切制的当归饮片质量。
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