For example, the linear feet of piping installed can be compared to the required amount of piping to estimate the percentage of piping work completed. 例如,将已装置的直线管道和需要安装的管道数目进行比较便可测算出已完工管道劳动量的百分比。
In other words, they are angular measures, in degrees with decimal fraction, not linear distances ( in meters, feet, or similar units ). 换句话说,它们是角度度量,以带小数部分的度数表示,不是直线距离(采用米、英尺或类似的单位)。
A linear unit of measurement ( equal to 6 feet ) for water depth. 测量水深的单位等于英尺。