This is a Java package with abstract data types for measurable quantities (like volume and speed) and units for measuring them (like liters and furlongs per fortnight). You may convert from one set of units to another, and may add your own quantities and units.
Java Units of Measure是一个具有抽象数据类型的Java 包,用于测量可测量的量(如容量和速度)和单元(如每两星期的升和浪)。你可以把一个单元集合转换成另一个,并可以增加你自己的量和单元。