“river sand-mining planning”的概念、定义、翻译、参考文献-科学参考

单词	river sand-mining planning
释义	river sand-mining planning Encyclopedia 工学〔专项水利规划〕释 river sand-mining planning河道采砂规划为限制滥采乱挖砂石，使河道砂石资源得到科学合理的利用，保障防洪安全、通航安全、供水安全和基础设施安全，指导采砂活动科学、可控、有序地开展而制定的总体安排。
随便看	elliptical radio galaxy elliptical space elliptical subsystem elliptical system elliptical waveguides elliptic argument elliptic barrel elliptic bearing elliptic boundary-value problem elliptic capacity elliptic case elliptic catenary elliptic characteristic elliptic cohomology elliptic collineation elliptic comet elliptic compass elliptic complex elliptic conchoid elliptic conductor potential elliptic cone elliptic cone point elliptic coordinate elliptic coordinate system elliptic cosine

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。