自成一类 meaning in English

sui generis

Finally , psionic items exist of such rarity and power as to belong to a category of their own : artifacts
最后，非常稀有而强大的灵能物品自成一类：神器。
The result indicates that samples are generally divided into several categories according to which culture they belong to
结果表明，不同文化期的样品基本自成一类。
Event - based middleware is not always considered as a class of its own since it closely resembles to message - oriented middleware
基于事件的中间件不总是认为自成一类，因为它同面向消息的中间件非常接近。
The european union , developed through european integration , has formed the " three - pillar " structure , and established a set of institutions , decision - making mechanisms and european law . eu is an entirely new political form which can hardly be defined as a confederation or a federation . as an international actor playing important role on the world stage , eu is different from not only traditional state actors but also non - state actors
由此建构起来的欧盟国际行为体身份具有诸多自成一类的特性： ( 1 )欧盟是一个新型的区域一体化行为体； ( 2 )欧盟是一个独特的复合行为体； ( 3 )欧盟是一个重要的全球行为体； ( 4 )欧盟是一个新兴的后现代行为体； ( 5 )欧盟是一个发展中的< wp = 4 >跛脚行为体。