求翻译：3年核心银行项目开发维护经验,熟悉金融证券类项目的特点和设计开发流程.熟悉中间件技术,对Cobol语言有深入的研究和丰富的实践.是什么意思？

3 years experience in core banking project development, maintenance, familiar with financial characteristics of securities class project and design development process. Familiar with middleware technology, the Cobol language in-depth study and extensive practice.

Three years of experience developing core banking project finance and securities of such projects, and be familiar with features and design development processes are familiar with middleware . Cobol language skills to have in-depth research and enrich the practice.

3 year core bank project development maintenance experience, familiar financial negotiable securities class project characteristic and design development flow. The familiar middleware technology, has the thorough research and the rich practice to the Cobol language.

Core banking project development and maintenance of 3 years experience, familiar with the financial instruments project and design development process. familiarity with middleware technologies, in-depth research and wealth of the Cobol language practice.

Core banking project development and maintenance of 3 years experience, familiar with the financial instruments project and design development process. familiarity with middleware technologies, in-depth research and wealth of the Cobol language practice.