“environmental barrier”的概念、定义、翻译、参考文献-科学参考

单词	environmental barrier
释义	environmental barrier Encyclopedia 工学〔基础词条〕释 environmental barrier环境壁垒利用产品的环境技术标准和环境管理标准，增强本国企业竞争能力，以打入国际市场、保护国内市场的手段。又称环境贸易壁垒、绿色壁垒。
随便看	directional pinpoint blasting directional power protection directional quantization directional reflectomography directional selection directional selectivity directional sensor network directional solidification directional supplementation and draining method directional survey telemetry directional valve directional variation directional view directional well tool direction angle direction bias direction bias sampling method direction coefficient direction cone direction constancy direction correction of Gauss projection direction cosine direction cosine algorithm direction curve direction density

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。