把这句话翻译成英文:第一部分是技术性贸易壁垒概述，叙述其概念、基本内涵和发展趋势。谢谢

The first part, as a summary, narrates the concept,basic connotation and develop tendency of the technological trade-barrier.

第一部分是技术性贸易壁垒概述，叙述其概念、基本内涵
the first part of this article is about the summary,concept basic connotation and future tendency of technological trade-barrier.