标志种类

因此有必要通过对国标的理解，针对二级公路常用的交通标志种类、版面字高和标志设置位置等进行相关的分析研究。

Therefore , it discusses the categories of signs , fonts of the board and aiming at the secondary road in detail based on the understanding of new GB .

环境标志产品的种类和数量日渐增多，环境标志制度日益规范化、系统化。

Environmental labeling products range more and more , environmental labeling system grows more standardized and systematic .

目前肿瘤标志物的种类虽然已达百余种，但至今仍没有一种理想的肿瘤标志物可单独用于临床上作为食管癌诊断及预后判断的指标。

At present although the type of tumor markers has reached hundreds of species , but still no ideal tumor markers can be used for the clinical diagnosis and prognosis of esophageal cancer as an indicator .

如果有邮件种类标志，在邮件种类标志下两行。

If you use a mailing or in-house notation , place the inside address two lines below the notation .

唐三彩的出现标志着陶器的种类和色彩已经开始更加丰富多彩。

The appearance of Tang tri-color glazed pottery marked the entry of pottery art into an era of greater variety and color .

但是，不同物种的同一种生物标志物对相同污染逆境的响应存在较大差异，显示在重金属生物监测方面应根据物种选择适宜的生物标志物种类。

However , biomarkers of the same kind in different species respond differently to the same pollution are quite different . Therefore , selecting appropriate biomarkers according to species are necessary for heavy metals monitoring .