| 1. | Answer please , it is appropriate to travel abroad , a friend of the software . there are five main functions : 1 . unit conversion - conversion projects , including commonly used size , density , speed pressure and weight between the metric and english - conv 有5个主要功能: 1单位转换-转换的项目不但包括一般常用的面积密度速度压力和重量等单位的公制和英制之间的换算,还有工程上用到的线密度能量和加速度的换算。 |