The study aims to help learners of EST (English for Science and Technology), a branch of ESP, improve their EST productive vocabulary via the W-R method.

该研究提出了教授科技英语词汇的W-R方法，旨在帮助科技英语（特殊用途英语的一类）学习者提高科技英语产出性词汇能力。

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With its headquarter located in high and new-tech industry development zone and a covering area of about 20000 square meters, it holds three branch companies and one R&D department.

公司总部位子郑州国家高新技术开发区，占地约20000平方米，集团公司下辖多家全资子公司，和国内唯一节能干燥技术研发中心。

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Arlen Specter, R-Pennsylvania, said such behavior by the executive branch "can't be condoned, " and Sen.

CNN: Bush says he signed NSA wiretap order