“feeding trial”的概念、定义、翻译、参考文献-科学参考

单词	feeding trial
释义	feeding trial Encyclopedia 农学饲养试验释 feeding trial饲养试验选择条件（品种、性别、年龄、体重和生产性能等）基本一致的动物，分为若干组（其中一组为对照组），在一段时间内分别饲喂已知营养物质含量不等的饲粮，通过测定其生产性能、组织及血液生化指标的变化，或观察缺乏症状、过量症状出现的程度，确定动物对营养物质的需要量或比较饲料优劣的试验。
随便看	micro-electrode log microelectrode recording micro-electro-mechanical deformable mirrors micro-electro-mechanical system micro-electromechanical system micro-electromechanical system acoustic wave sensor micro-electromechanical system actuator micro-electromechanical system application specific integrated circuit micro-electromechanical system biochemical sensor micro-electromechanical system force sensor micro-electro-mechanical system inertial sensor micro-electromechanical system inertial sensor micro-electromechanical system light modulator micro-electromechanical system, MEMS micro-electromechanical system microphone micro-electromechanical system optical attenuator micro-electromechanical system optical filter micro-electromechanical system optical sensor micro-electromechanical system optical switch micro-electromechanical system oscillator micro-electromechanical system physical sensor micro electro-mechanical system physical simulation micro-electromechanical system sensor micro-electromechanical-systems gravity gradiometer micro-electromechanical system variable optical attenuator

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。