““黑货””的概念、定义、翻译、参考文献-科学参考

单词	“黑货”
释义	“黑货” Encyclopedia 经济学“黑货”释 black freight“黑货” 在中国对铁路运输货类中大宗货物的一种形象化的称谓。相对应的非大宗运输货物可称为“白货”。
随便看	quotient of two numbers quotient orientation quotient polygon quotient relation quotient representation quotient ring quotient ring; factor ring quotient rule quotient semigroup quotient seminorm quotient sequence quotient set quotient sheaf quotient singularity quotient singular value decomposition quotient skew field quotient space quotient structure quotient subgroup quotient symbol quotient system quotient test quotient topological quotient topological group quotient topological space

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。