“standing tree felling and cultivation machine”的概念、定义、翻译、参考文献-科学参考

单词	standing tree felling and cultivation machine
释义	standing tree felling and cultivation machine Encyclopedia 农学采运机械释 standing tree felling and cultivation machine林木联合采育机功能高度集成的中型林业采伐抚育作业装备。集成了伐木、打枝、造材、抚育作业装置，能够完成人工林抚育、采伐作业等。
随便看	net point net population density net positive suction head net positive suction head available net premium net premium reserve net present value net primary productivity net production net protein ratio net protein utilization net protein utilization，NPU net pyranometer net reduction net reel net registration net reproductive rate net retention time net retention volume netropsin net sinkhorn net site net sounder net sounder winch net stitch

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。