“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	method of pivot selection method of planting method of point mappings method of point sources method of position evaluation method of postulation method of potentials method of power series method of preventing water burst method of principal axes method of principal components method of prolongation method of proportional distribution problem in ancient China method of pseudopotential method of purposive selection method of quadratures method of qualitative data analysis method of quasi-averages method of quasilinearization method of quickest descent method of radar astronomy method of random descent method of random groups method of real cyclotomic field method of records classification according to content features

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