The extraction replica key techniques for TEM sample preparation of low alloying high strength steels were introduced in detail.

同时，针对样品制备过程中的各个关键步骤和环节，提出了低合金高强钢萃取复型样品制备的关键技术要点。

youdao

The web replica detect mainly consists of two parts: First, deal with the original website, mainly the web noise purification and extraction of the theme of the web on the website.

网页查重主要包括两部分，一是对原始网页的处理，主要是对网页噪音净化以及对网页主题信息的提取；

youdao