“pre-action fire sprinkler system”的概念、定义、翻译、参考文献-科学参考

单词	pre-action fire sprinkler system
释义	pre-action fire sprinkler system Encyclopedia 历史学博物馆技术防范释 pre-action fire sprinkler system预作用自动喷水灭火系统由闭式喷头、管道系统、雨淋阀、湿式阀、火灾探测器、报警控制装置、充气设备、控制组件和供水设施部件组成的灭火装置。
随便看	positive curvature positive curvature manifold positive cycle positive definite positive definite bi linear form positive definite bi-linear form positive definite closed form positive definite form positive definite function positive definite functional positive definite Hermitian matrix positive definite inner product axiom positive definite kernel positive definite matrix positive definiteness positive definite operator positive definite potential positive definite product positive definite quadratic form positive definite scalar product positive definite sequence positive definite solution positive definite space positive definite tensor positive definte rational fanction

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。