例句與造句

1. in order to identifiy the virus further, a set of double nested primers for canine coronavirus was selected . the primers were designed in s gene region from ccv including two pairs of primers : ccvfl-ccvrl, ccvf2-ccvr2 . the first is a pair of outer primer, and can amplify a fragement of 1086bp . the second is a pair of inner primer . and can amplify a fragement of 515bp . using the nested primers, many ccv strains can be identificated including k378, insave-l, ccv 1-71 etc . synthesizing this set of primers, we selected the panda's liver-tissue materials and some different passages of viral culture to amplify by rt-pcr, and all of them respectively gained two target fragements of 1086bp and 515bp, but the control cell did not
   合成該套式引物，選擇大熊貓?jiān)×虾筒《靖鞔?xì)胞培養(yǎng)物，經(jīng)套式(nested)rt一pcr擴(kuò)增，可得到一與設(shè)計(jì)值5巧bp相符的dna片段，經(jīng)bst一xl(590，1110)酶切鑒定，證明該擴(kuò)增片斷為特異性片段;回收大熊貓肝組織原代病料和細(xì)胞培養(yǎng)物第2、3、29代的ccvfz一ccvrz擴(kuò)增片段，純化，送生物公司測序。
2. It's difficult to find outer primer in a sentence. 用outer primer造句挺難的