“标志灯”的概念、定义、翻译、参考文献-科学参考

单词	标志灯
释义	标志灯 Encyclopedia 工学大地测量仪器释 signal lamp标志灯在能见度差的条件下用于照准的发光器具。又称回光灯。
随便看	upper semisphere upper series upper set upper side frequency Upper Silesia Coalfield upper singular exponent upper solution upper solution; supersolution upper-stage upper stage liquid rocket engine upper strong derivative upper subsemilattice upper sum upper surface upper tangent arc upper topological limit upper transit upper triangular group upper triangular matrix upper-trimmed subsequence upper type upper unitriangular matrix upper urinary tract infection upper urinary tract lithiasis upper value

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。