“抓钩式集材机”的概念、定义、翻译、参考文献-科学参考

单词	抓钩式集材机
释义	抓钩式集材机 Encyclopedia 农学采运机械释 grapple skidder抓钩式集材机一种载重自行式的设备，用于把伐倒的树木从伐区内部拖曳至木材堆放的地方。
随便看	positively oriented base positively semi-definite positively stable point positively stable solution positive manifold positive map positive mapping positive mass conjecture positive matrix positive measure positive metric positive/negative helicity spinors positive number positive octant positive operator positive operator valued measure positive-operator valued measure POVM positive operator value measure positive operator value measure (POVM) positive ordering positive organizational behavior positive orientation positive orthant positive part positive partial transpose criterion

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。