Objective: to investigate the relationship between the level of epidermal growth factor receptor (EGF-R) and tongue fur formation in tongue cancer patients.

目的：检测表皮生长因子受体(EGF - R)在舌癌患者常见舌苔中的表达水平，探讨EGF - R与舌苔形成的关系。

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The sulfonamides, streptomycin, chloramphenicol and other sensitive, but easy to resistance, with R factor is the transfer of plasmid obtained.

对磺胺类、链霉素、氯霉素等敏感，但易耐药，是由带有R因子的质粒转移而获得的。

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Multivariate analysis is to use R-typer factor to judge the basic characters and variable natures of ecotypes of wheat varieties.

多变量分析法运用r型因子分析来判断品种生态型的基本特征和可变特征。

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And now the force, in its most general term / is q1q2 over 4 pi epsilon zero, which is the conversion factor r squared.

库仑力的最基本形式,就是，其中r是一个变量。

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Now it's shifting its attention to the lower end: the company just refreshed its mainstream Inspiron R line with optional touchscreens and a slimmed-down form factor.

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One statistical factor is the number of new people the typical sick person infects, known as "R".

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