“standard sand”的概念、定义、翻译、参考文献-科学参考

单词	standard sand
释义	standard sand [`stan·dǝrd `sand] ^MATERIALS A silica sand that is free of organic matter and is used in making test samples of concrete and cement.
随便看	angle modulation angle noise angle of action angle of advance angle of approach angle of arrival angle of attack angle of bite angle of cant angle of clearance angle of climb angle of commutation angle of contact angle of contingence angle of current angle of cut angle of deflection angle of departure angle of depression angle of descent angle of deviation angle of dip angle of divergence angle of elevation angle of entry

科学参考收录了103327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。