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This experiment applies technique to analyze the polymorphism of the Fusarium strains.

本实验采用PCR-RFLP技术分析了镰刀菌菌种间的多态性。

Galla Chinensis ethanol extractant had strong antibacterial activity against 124 strains of S. epidermidis, and the cell morphology of S. epidermidis changed.

五倍子乙醇提取物对表皮葡萄球菌具有较强的抗菌作用，可使菌细胞形态发生显著改变。

The ORF2 gene is the most important protein-code gene for porcine circovirus, and is the main gene differing porcine circovirus typel from porcine circovirus type2 (PCV2). To construct a specific PCR detecting method, we designed a pair of primers to amplify a partial fragment of ORF2 gene from PCV2, referring to fifteen strains complete genome published in Genbank. The PCR product was about 0.67kb in size detected by gelose gel electrophoresis.

猪圆环病毒的开放阅读框2(ORF2)是其主要结构蛋白的编码基因，也是区分猪圆环病毒1型(PCV1)和猪圆环病毒2型(PCV2)的重要基因，本研究参照GenBank已发表的15株PCV2基因序列，设计合成一对引物，对PCV2的ORF2基因进行PCR扩增，产物经琼脂糖凝胶电泳，呈现一条大小约0.67kb的特异条带，经条件筛选，建立了猪病料中PCV2感染的PCR检测方法。

With the Chinese Academy of Agricultural Science Institute of tea, tea geometrid screening of the high toxicity of Bt strains and tea geometrid virus, developed a pollution-free tea for biological pesticides,"geometrid-ching," 2003 was approved by the Ministry of Agriculture pesticide registration test, completed 1 Effect of the four provinces in the tea geometrid control effect of more than 90 percent, in Jiangsu, Zhejiang show the 6 million mu.

与中国农科院茶叶研究所合作，筛选了茶尺蠖高毒力 Bt菌株和茶尺蠖病毒，研制开发了无公害茶叶专用生物农药"尺蠖清"，2003年获得农业部农药登记试验批准，完成了1年4省药效试验，对茶尺蠖防效达90%以上，在江苏、浙江示范推广6万亩次。

As more antibiotics are used, more strains of germs that are able to resist them have developed.

随着越来越多的抗生素的使用，更株细菌能够抗拒他们的发展。

Core in sterilized soil was inoculated with two strains of Glomus mosseae and G. caledonium.

用两种不同的VA菌根真菌Glomus nosseae和Glomus caledonium接种玉米进行盆栽试验。

Compared to the starting strains,the highest glutamic acid yield of D ...

它们的一级种子生长曲线和发酵过程的pH值比原出发菌有明显变化。

The results showed that the bacterium size, clone shape, and glycolytic profile of BTAH1 were very different from those of four type strains.

本实验室采用驯化富集的方式，从能够稳定降解阿特拉津的混合菌群中，分离得到一株能够在阿特拉津固体培养基上产生水解圈的革兰氏阳性细菌，命名为BTAH1。

He'll hardly reach his aim, because he strains at gnat.

他很难达到目的，因为他这人太拘泥细节了。

Clinicians should pay attention to the changes in drug resistance of gonococcus strains.

淋球菌对7种抗菌素的耐药率呈上升趋势，应引起临床医生的注意。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。