catagory的翻译

The welding method, welding material and welding equipment were selected according to the quality, specification, catagory, welding requirement and characteristics of welding joints of wellhead platform Wei 11-4. Three typical welding technologies are also introduced in this paper.

根据涠11&4工程钢结构的原材料的性质、规格、品种，焊接技术要求和焊接接头的特点选择焊接方法，焊接设备和焊材，以及介绍3种典型的焊接工艺。

The main purpose of this thesis is to study the Ringel-Hall algebra of tubular catagory by using combinatorial tools. Firstly, we study the simple properties of modules which in the category of locally nilpotent representations.

本文主要用组合的方法研究管范畴的Ringel-Hall代数。首先，我们研究了管范畴中模的一些简单性质。通过对些性质的研究。我们找到了其中的一个子集。

The conception of "rule of virtue" in this essay is not a catagory which opposes against rule by man and rule by law, it just emphasizes the relationship between moral and legal.

这里的德治，不是与人治、法治直接对应的范畴，而是在法治方略中强调道德与法治的关系问题。