“sand”的概念、定义、翻译、参考文献-科学参考

单词	sand
释义	sand Encyclopedia 工学[矿物材料]释 sand砂一种粒径在0.05～2毫米的碎屑。农学砂粒释 sand砂粒土壤物质中粒组直径在50微米（美国制）或20微米（国际制）～2毫米的成分。是土壤物质的最大粒组。理学﹝土力学基本概念﹞释 sand砂土粒径大于2毫米的颗粒含量不超过全重50%，且粒径大于0.075毫米的颗粒含量超过全重50%的无黏性土。
随便看	Casey Casey theorem cash Cash and Carry cashaw nut shell liquid cash basis cash budget cash budget management cash cheque cash control cash cost cash crop structure cash dividends cash flow from operations cash flow of investment projects cash flows mismatch risk cash flow statement cash inflows cash investment and management CASHL cashmere cashmere production performance of grazing livestock cash on delivery cash outflows cash payment

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。