“bed material sampler”的概念、定义、翻译、参考文献-科学参考

单词	bed material sampler
释义	bed material sampler Encyclopedia 工学河床质泥沙采样器释 bed material sampler河床质泥沙采样器采取河床活动层处于相对静止的泥沙样品的设备。又称床沙采样器。
随便看	closed point set Closed Population closed power station closed professional sports league closed pseudo-manifold closed quadrature formula closed quantum system closed range theorem closed ray closed region closed reserve system closed resonator closed Riemann surface closed ring closed scheme closed season closed semicircle closed semigroup closed semisphere closed sentential formula closed sequence closed set closed set basis closed-shelf book selling closed shell

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。