“calving index”的概念、定义、翻译、参考文献-科学参考

单词	calving index
释义	calving index Encyclopedia 农学产犊指数释 calving index产犊指数一个群体内的母牛平均两次产犊间隔的时间。又称平均胎间距、平均产犊间隔。
随便看	contrast-enhanced ultrasonography，CEUS contrast enhancement contrast factor contrast-induced nephropathy，CIN contrast induced nephro-toxicity，CIN contrastive contrastive analysis hypothesis contrastive focus contrastive stress contrast of fringes contrast of photographic plate contrast photometer contrast polyphony contrast rendition contrast resolution contrast reversal contrast test contravalency contravariance contravariant contravariant component contravariant coordinate contravariant density contravariant derivative contravariant functor

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。