ABSENCE-IN-PRESENCE的意思|示意

The rates of non-union and avascular necrosis in the presence or absence of fragmentation were compared in both undisplaced and displaced groups.

比较有移位和无移位组有或无骨折片的患者骨不连和缺血性坏死发生率。

All of the above can be conditional upon the operating system type and revision, time of day, arbitrary user-defined classes, presence or absence of files, directories, or data in files, and so on.

上述所有这些根据操作系统类型和修订版本、一天中的时间、任意用户定义的类、文件中文件、目录或数据的有无等等可以是有条件的。

One procedure fordoing this is to measure the matrix in the presence and absence of the otheractive drug substance or degradant: any interference should not exceed 2%.

另外解决的方法是不管其他活性成分或者存在存在的降解产物，对主要成分的干扰均不得超过2%。

Lawyers and experts on Internet policy say no court case has ever turned on the presence or absence of such an automatic E-mail footer in America, the most litigious of rich countries.

互联网政策方面的律师和专家们表示，富裕国家中最爱诉讼的美国，也还没有哪个诉案是由这种自动的电邮页脚的存在与否引起的。

But trace imprints found in other fossilised feathers (despite an absence of carbon) may indicate the original presence of melanosomes that have since been lost to oxidation.

而其他羽毛化石(尽管缺乏碳元素)中找到的痕迹，也许能显示已经因氧化而消失的黑色素体的原始存在。

ISO Schematron (Schematron) : Learn about this language for making assertions about the presence or absence of patterns in XML documents.

ISO Schematron (Schematron)：了解这种语言是如何进行XML文档内模型存在与否的断言的。