time gun报时炮,午炮timen.时间；时代；时期；倍；次数；节拍v.为…安排时间；计时；[体]在某一时刻击球adj.时间的；定时的；分期（付款）的；定期的time and frequency indexes时频指标time series sustainability可持续发展Time when tick was created成交产生时间time and distance charging按距离和时间计费Time-sharing multiplexer分时复用器time-dependence exponent时依性指数time-dependent frequency变频time information obtaining时间信息提取Time series residual error时序残差time dalay indicator light延时指示灯