“白垩纪”的概念、定义、翻译、参考文献-科学参考

单词	白垩纪
释义	白垩纪 Encyclopedia 理学中生代释 Cretaceous Period白垩纪中生代最后一个纪（第三个纪）。约开始于1.37亿年前，结束于0.65亿年前。白垩纪形成的地层称白垩系（Cretaceous System）。 Biology Cretaceous白垩纪
随便看	magnetic sensor magnetic separation magnetic separation column magnetic separation equipment magnetic separation of chromite magnetic separation of hematite and limonite magnetic separation of iron ores magnetic separation of iron ore with rare earth and niobium minerals magnetic separation of magnetite magnetic separation of manganese ores magnetic separation of siderite magnetic separation of tantalum niobite magnetic separation of vana-titano magnetite ores magnetic separation of wolframite magnetic separation process magnetic separation process control magnetic separator magnetic separatrix magnetic shape memory alloy magnetic shear magnetic sheath magnetic shell magnetic shield magnetic shielding magnetic shielding materials

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。