特征性质 Characteristic Property
非本质性特征 accidental characteristic
特征性次生物质标记法 Specific secondary metabolite marker
一个特定元素的同位素具有相同的化学特征，但在物理性质上有一些细微差异。
The isotopes of a given element have the same chemical properties but slightly different physical properties.
它也定义了服务的性质并分析了它们的特征、以及一些最佳实践。
It has also defined the nature of services and examined their characteristics, as well as a few best practices.
然而，二者紧密相通，并且从了解性质的观点看有一些相同的特征。
The two are strongly connected, however, and they share some of the same characteristics from the viewpoint of understanding the nature of each.
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