时间-时间-时间交换网络
Time-Time-Time Switching Network TTT
施氮时期
date of nitrogen application
N-application time
Nitrogen topdressing time
nitrogen application timing
the period N application
N application time
Nitrogen application stage
Nitrogen application period
nitrogen applying time
N timing
applying time
长时间时效
long term aging treatment
长释放时间间隔优先调度
long release interval first
场消隐时间间隔-垂直消隐时间间隔
VASvertical blanking interval
vault transformersvertical blanking interval
超短时间间隔测量
ultra-short interval measurement