“直升机集材”的概念、定义、翻译、参考文献-科学参考

单词	直升机集材
释义	直升机集材 Encyclopedia 农学集材释 helicopter logging直升机集材在森林采运作业中，将各伐木地点伐倒的木材逐次逐根悬吊于直升机下面空运汇集到装车场（山上楞场、集运木材点）的集材作业。
随便看	type of a semigroup type of a set type of a tensor type of a tilted algebra type of a transcendental number type of attachment type of a universal algebra type of children's play type of coal exploration type of comparison type of cylinder support type of drive updating type of ecosystem type of evaluation type of geological observation point type of growth type of infinity type of knowledge type of land-use type of museum type of new cities in China type of penalty type of power supply type of prospecting type of publication

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。