requiredadj.必需的
requirev.要求;需要;命令;规定
require the examination要求检查
required visual ability需要视力
Require an act of faith需要信心
required carrier return不可省略回车
Requires sorest need.须是口渴已极.
required field intensity所需(电)场强(度)
required space character请求间隔符
required deposit balance规定存款余额
Required Detection Range必要探测距离
Require Availability Date请告可使用日期