“pinging sonar”概念、定义、翻译-科学时代

单词	pinging sonar
释义	水产业词汇手册 pinging sonar 脉冲声呐
随便看	weak constitution weak consumer spending weak consumer spending weak continuity weak convergence weak convergence weak coupling weak coupling weak currency weak currency weak currency weak currency weak declension weak discontinuity weak discontinuity weak duality theorem weak* dual space weak eddy weak efficiency weak electrolyte weak electrolyte weak encryption weak ending weakening in demand weakening it according to its ascription

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。

pinging sonar