“principal vertical circle”概念、定义、翻译-科学时代

单词	principal vertical circle
释义	测绘学词汇手册 principal vertical circle 天球子午圈；主垂直圈
随便看	chicharrones Chichester Festival chi-chi chichi rug chick chick Chickasaw chick cage chick embryo inoculation chick embryo vaccine chicken chicken chicken and crab roe with shrimp balls chicken and crusian carp soup chicken-and-egg chicken and fruit salad chicken anemia virus chicken anemia virus--chicken anemia virus（CAV） chicken anemia virus（CAV） chicken back chicken-blood stone chicken breast chicken breast chicken breast chicken broth

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。