“structure of livestock”的概念、定义、翻译、参考文献-科学参考

单词	structure of livestock
释义	structure of livestock Encyclopedia 农学﹝农业生物环境与能源工程﹞释 structure of livestock畜群结构按性别、年龄和在生产过程中的作用划分的畜组在畜群总数中所占的比重。
随便看	hazard analysis and critical control points hazard and operability analysis expert system hazard and operability study hazard chain hazard function hazard identification hazard identifications hazard model hazard of nanotechnology hazardous air pollutant hazardous cargo automatic inspection hazardous chemical hazardous chemical accident rescue hazardous chemical category hazardous chemical emergency rescue team hazardous chemical lifecycle hazardous chemicals hazardous chemicals accident hazardous chemicals and logistics management hazardous chemicals emergency recovery hazardous chemicals explosion hazardous chemicals leakage hazardous chemicals liable to produce explosives hazardous chemicals pollution prevention and control law hazardous chemicals production

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