“sand and stone material”的概念、定义、翻译、参考文献-科学参考

单词	sand and stone material
释义	sand and stone material Encyclopedia 工学砂石材料释 sand and stone material砂石材料石料和集料（亦称骨料）的统称。是土木工程中使用量最大的一种材料。
随便看	directional pattern of microphone directional pinpoint blasting directional power protection directional quantization directional reflectomography directional selection directional selectivity directional sensor network directional solidification directional supplementation and draining method directional survey telemetry directional valve directional variation directional view directional well tool direction angle direction bias direction bias sampling method direction coefficient direction cone direction constancy direction correction of Gauss projection direction cosine direction cosine algorithm direction curve

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。