“Pietrain pig”的概念、定义、翻译、参考文献-科学参考

单词	Pietrain pig
释义	Pietrain pig Encyclopedia 农学猪释 Pietrain pig皮特兰猪由比利时的黑白斑本地猪与法国的贝衣猪杂交，再与英国的泰姆沃斯猪杂交选育而成的猪品种。
随便看	background extinction rate background field background fluctuation background fog background galaxy background galaxy cluster background glow backgrounding background intensity background investigation background limited detectivity background mass spectrum background mathematics background mode background monitoring background music background noise background-noise level background optical and electromagnetic characteristic background projection process background radiation background radiation intensity background radio radiation background rejection background source

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。