“emergency management plan for flood control”的概念、定义、翻译、参考文献-科学参考

单词	emergency management plan for flood control
释义	emergency management plan for flood control Encyclopedia 理学四防二守释 emergency management plan for flood control四防二守明代总理河道大臣潘季驯（1521～1595）在前人防洪度汛经验基础上总结制定的一整套防洪应急管理预案。“四防”即昼防、夜防、风防和雨防，“二守”即官守和民守。
随便看	lens efficiency Lense Thirring effect Lense-Thirring effect Lense Thirring precession Lense-Thirring precession lens flare lens focal length lens focal power lens formula lens gauze lens hood lensing cross-section lensing effect lensing galaxy lensing object lensing optical depth lensing potential lensing quasar lensing star lens language lensless Fourier hologram lensless fourier hologram lenslet lenslet array lens-like medium

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。