求翻译：采用XRD、Raman、SEM、TEM等技术手段系统的研究了不同工艺条件下TiC-CDC涂层的结构特征，运用CETR摩擦磨损测试仪研究了其在不同环境条件下的摩擦学性能。是什么意思？

The technology means xrd, raman, sem, tem system to study the structural characteristics of the the tic-cdc coating under different conditions, the use of cetr friction and wear tester tribological performance under different environmental conditions.

With XRD Raman , , , SEM TEM system technical means, such as the study of different process conditions TiC - CDC coating of structural characteristics, use CETR friction wear test, in a study of its different environmental conditions of the friction performance.

Used technical method system under and so on the XRD, Raman, SEM, TEM research different technological conditions the TiC-CDC coating structure characteristic, has studied it using the CETR friction attrition reflectoscope reflector under the different environmental condition tribology performance.

Using XRD, Raman, SEM, TEM technical tools, such as system study on structural features of TiC-CDC coating under different processing conditions, the use of friction and wear Tester CETR studied its tribological properties under different environmental conditions.

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