3) maintenance cycle
保养周期
1.
Study on the maintenance cycle of the lubrication system in mining truck engine;
矿用汽车发动机润滑系统保养周期的研究
4) subculture cycles
培养周期
5) Feeding period
饲养周期
1.
Different lambing date lambs were grazing on the Songnen plain,which had varies of live weight development,such as Birth weight,Weaning weight,Absolute growth,Relative growth and Feeding period.
12、3和6月份出生羔羊的出生体重、断奶体重、绝对增重速率、相对增重速率及饲养周期存在差异。
补充资料：海水增养殖(见海水养殖、海水增殖)
海水增养殖(见海水养殖、海水增殖)
marine aquaculture
_一一’‘~’‘以，’日y以.1日乙川髦增养殖(~ne aquacultu祀’见海水养殖·海水
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条