“arrowhead”概念、定义、翻译-科学时代

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

单词	arrowhead
释义	军事词汇手册 arrowhead 箭头；楔形
随便看	law of conservation of momentum law of conservation of momentum law of conservation of parity law of conservation of resources law of constant returns law of consumption law of contagion law of contagion law of contiguity law of contiguity law of contract law of contradiction law of contrast law of conversation and transformation of energy law of conversation of mass law of corresponding states law of creep law of cultural evolution law of decreasing cost law of definite numbers law of definite proportions law of demand law of demand law of demand law of demand