R factor 释放因子 ; 抗药性因子
R-factor analysis R型因子分析
power r factor 功率因数
major r factor 主要因素
master r factor 决定因素
barrier r factor 势垒穿透率
R-factor control 减径因子
r factor analysis r因子分析
transmissible R factor 可传递R因子
The R factor analysis shows that: Ti, Ga, Rb, Y, Zr, Nb, Hf, SiO_2, Al_2O_3, P, Mn, Zn, As, Br, Sr, MgO, CaO and Na_2O are mostly related to the povenance of source rocks which was directly controlled by the chemical weathering intensity; Zr, Hf, V, Co, Ni, Cu, Zn, Ga, As, Rb, Fe_2O_3, Al_2O_3, and K_2O can reflect the content of clay which is possibly related to the element redistribution in the process of diagenesis; Fe_2O_3 P and Mn can record the paleo-productivity and Fe_2O_3, MnO are usually formed under the condition of adlittoral and oxidated environment. Warm-humid and cold-dry environment can been qualitative indicated by Q factor analysis.
对样本的Q型因子分析，可以定性地区分出暖湿与干冷环境。
参考来源 - 苏北盆地兴化1孔元素反映的中更新世以来的环境变化·2,447,543篇论文数据，部分数据来源于NoteExpress
以上来源于: WordNet
Random forest package in R shows error during prediction() if there are new factor levels present in test data. Is there any way to avoid this error?
随机森林包R显示在预测误差（）如果有新因素水平出现在测试数据。有什么方法可以避免这个错误?。
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。
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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