initial.声母initialn.(词)首字母adj.开始的；最初的；字首的vt.签姓名的首字母于initializing sequence初启序列initial driving force初始动力initial phrase marker初始短语标记initial stress matrix起始应力矩阵initial water storing初蓄期initializing variable初始化变量initial current state初电流状态initial low frequency初始低频initial subscriptions首期认缴款项initialization vector初始化向量