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- primary secondary system 一次及二次系统
- I also want the secondary system to use the same X.25 addressthat the primary is using. 我还希望辅系?统与主系统使用相同的X.;25地址。
- Sludge liquor is recirculated in the secondary system. 污泥水回流到二级处理系统。
- This would be useful if creating a secondary system that has a different set of paths associated with it than the primary. 如果要创建的辅助系统与主系统的路径设置不同,这种方法非常有用。
- The paper was introduction fatty primary secondary amine of secondary amines and production process and application. 本文介绍了脂肪仲胺的反应原理、生产工艺及其应用。
- Sludge liquor is recirculated in the secondary system to assure its purity before discharge. 该泥水回流到二级处理系统，以保证排放前的澄清度。
- This paper gives a detailed research and application attempt for CIM modeling of the secondary system. 在对目前电力一次系统CIM建模理解和应用现状分析的基础上,对二次系统的CIM建模做了进一步研究和应用尝试。
- Only to analyze these sys tems profoundly and systematically, can we grasp the key issues in reforming the secondary system. 深入、系统地分析制度要素,才能把握改革的问题点。
- DDTs in soil were extracted with acetone/hexane (1:1, v/v) using ultrasonic extraction and removed many polar matrix components using primary secondary amine (PSA) effectively for the purity. 样品用丙酮/正己烷(1:1,v/v)超声波提取,然后用固相材料吸附净化,用GC-MS(选择离子方式)测定。
- T. Igusa &A. Der Kiureghian ”Dynamic Response of Multiply Supported Secondary System” Journal of Engineering Mechanics, ASCE, Vol. 111, No. 1, 1985, pp. 20-41. 陈信童“以反应谱法分析隔震建物内之次结构的动力反应”国立台湾大学土木工程学研究所硕士论文，田尧彰教授指导，民国95年6月
- secondary system of electronic system 电力二次系统
- secondary system security protection 二次系统安全防护
- typical design of network secondary system 二次系统典型设计
- lightning protection for the secondary system 二次系统防雷
- The disease is still in its primary stage. 这疾病仍然在初发阶段。
- The secondary filtration system is identical with the primary one. 二段过滤系统与一段过滤系统类似。
- The background of electric power dispatching data network, technical structure, the application situation and the security prevention principle of Huainan grids secondary system were expounded. 摘要本文主要阐述了淮南电力调度数据网络建设的背景、技术体制、网络结构、应用情况以及电力二次系统防护。
- The little boy left primary school at eleven. 这个小男孩十一岁时小学毕业。
- Sure. We are friends since primary school. 当然，我们从小学就是朋友了。
- I started primary school when I was 5 years old. 我五岁时开始读小学。
