“ranch”的概念、定义、翻译、参考文献-科学参考

单词	ranch
释义	ranch Encyclopedia 农学牧场释 ranch牧场狭义上指放牧家畜的有边界的区域，是有空间和时间范围的生产单元，以放牧为基本管理方式。广义上指经营草食家畜生产，甚至任何种类家畜的生产单元，放牧不是必需的管理措施。
随便看	negative peak negative pedal curve negative perfect correlation negative permeability materials negative permittivity materials negative phototropism negative plate negative platemaking negative Poisson's ratio material negative polarity items negative polarity machining negative polynomial distribution negative-positive photographic system negative pressure negative pressure injection negative pressure method for deposit negative-pressure pulverizer with intermediate storage bunker negative pressure region negative pressure suction appliance negative priming effect negative probability negative proposition negative punishment negative quadratic differential negative real axis

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。