[名词解释] 次级代谢(secondary metabolism)
[名词解释] 次级主动运输(secondary active transport)
[主观题]Production function生产函数
[名词解释] 初级生产(Primary Production)
[名词解释] Production function生产函数
[名词解释] 生产函数(Production function)
[名词解释] 持续清洁生产(Sustain Cleaner Production)
[名词解释] 清洁生产审计(Cleaner Production Audit)
[名词解释] 生产物流 production logistics
[试题]Production-possibility frontier(PPF)生产可能性边界