n.水平分界线；卡片横向穿孔区
adj.缩短的；缩减的
Chapter 5 steered the concrete programming, concrete curtate three working extent of authoriths of the indoles consumer, designed three working interfaces. 第五章进行了具体的程序设计，具体划分了三类用户的操作权限，设计了了三个操作界面。
curtate tractrix 短曳物线
upper curtate 高部,上部穿孔区,上区段
curtate expectation of life [医] 简约平均预期寿命
