开端
alpha; beginning; cue; dayspring; origin; proem; start; threshold
debut
开端的
germinant; introductory
preliminary
开端费用
front-end fees
开端式系统
open-ended system
开端天线
open aerial; open end antenna
开端效应
open end effect
开端子音
initial consonant
卡片周期
card cycle
开周期
on period
拷贝周期
copy cycle
柯庆周期
kitchin cycle
可变周期操作
variable cycle operation
空周期
null cycle
控制周期
control cycle
晶状体刺开术
phacolysis; phakolysis
晶状体刺开针
discission needle
晶状体囊切开术
capsotomy; capsulotomia; capsulotomy; cystitomy
精囊切开术
seminal vesiculotomy; spermatocystotomy
精确快动作开关
precision snap-action switch
径向展开
radial development