“fixed focal length photographic lens”的概念、定义、翻译、参考文献-科学参考

单词	fixed focal length photographic lens
释义	fixed focal length photographic lens Encyclopedia 艺术学镜头种类释 fixed focal length photographic lens定焦距摄影镜头焦距固定不变的摄影镜头。
随便看	improper prior improper quadric improper quotient object improper rational function improper refinement improper representation improper rotation improper rotation group improper sales behavior improper set improper singularity improper subalgebra improper subclass improper subgraph improper subgroup improper submodule improper subobject improper subset improper subspace improper symbol improper symmetry operation improper transformation impropertransposition improper valuation improv comedy

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。