“direction cosine”概念、定义、翻译-科学时代

单词	direction cosine
释义	数学词汇手册 direction cosine 方向余弦
随便看	amygdalus Amygdalus triloba Amy--Irving Amy Johnson amylaceous amylaceum amyl alcohol amylase amylase amylase amylase amylase amylase amylatic amylin amyl isobutyrate amylmetacresol amyl nitrite amylo-1,4-dextrinase amylo-1,4-maltosidase amylo-1,6-glucosidase amylodextrin amylodyspepsia amylogen amylograph

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。