“introduction of aquatic species”的概念、定义、翻译、参考文献-科学参考

单词	introduction of aquatic species
释义	introduction of aquatic species Encyclopedia 农学水产引种释 introduction of aquatic species水产引种广义的水产引种指把外地或国外的新水产物种、新品种或品系，以及研究用的遗传材料引入当地。狭义的水产引种指生产性引种，即引入能供生产上推广养殖的优良品种。
随便看	forest harvesting forest harvesting income forest harvesting quota system forest health forest health management forest highway culvert forest humus Forest Hydrology forest hydrology forest income forest industry forest insect pests forest insurance forest inventory forest inventory planning forestland asset forestland differential rent forestland evaluation forestland expectance value forestland expense value method forest land fertilization forestland net benefit forestland ownership forestland price forest land productivity

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。