“tree introduction”的概念、定义、翻译、参考文献-科学参考

单词	tree introduction
释义	tree introduction Encyclopedia 农学林木育种释 tree introduction; species transfer林木引种通过人为方式将一个树种、亚种或更低级的分类单位（包括能够存活并且最终能够繁殖的植物体任何部分、配子或其他繁殖材料）向其自然分布区以外的地区转移的过程。又称树木引种。
随便看	velocity correlation function velocity correlation function of Brownian particle velocity correlation tensor velocity-coupled response velocity curve velocity-density reconstruction velocity-density relation velocity determination velocity dispersion velocity-distance relation velocity distribution velocity distribution function velocity distribution law of ideal gas molecules velocity ellipse velocity ellipsoid velocity field velocity-flow relation velocity for erosion and sedimentation control velocity gain guidance velocity gradient velocity-gradient force velocity-gradient tensor velocity hodograph velocity in free space velocity loss coefficient of turbine guide vanes

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。