“巴拿马运河区”的概念、定义、翻译、参考文献-科学参考

单词	巴拿马运河区
释义	巴拿马运河区 Encyclopedia 历史学巴拿马历史释 Panama Canal Zone巴拿马运河区 1903～1979年美国在巴拿马行使管辖权的历史行政区。
随便看	projective axiom projective base projective binormal projective bundle projective character projective class projective class group projective classical group projective classification projective closure projective collineation projective compactification projective cone projective configuration projective conic projective connected space projective connection projective coordinate projective coordinates projective coordinate system projective correlation projective correspondence projective cover projective covering projective curvature

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。