?球面丛
... complex of lines 线丛 complex of spheres 球面丛 complex operation 复数运算 ...
?球的线丛
... 奇异线丛 singular complex 球的线丛 complex of spheres 三线丛蛙 three-striped arrow-poison frog ...
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。