标题（Title） 一般不超过80个字符
Elkens Software - Creator of Unit Converter Pro
（47 个字符）
关键词（KeyWords）一般不超过100个字符
converter,unit,unit converterpro,measurement,science,factor,engineer,elkens,math,engineering,unit,physics,pro,master,winconverter,onemir,conversion,convert,converting,shareware,physical,units,category,categories,convertible,change,electricity,electric,electrical,length,mass,velocity,area,force,power,energy
（307 个字符）
描述（Description）一般不超过200个字符
Elkens software: Unit Converter
Pro - the conversion utility for students, and practitioners in
engineering, sciences, and technical subjects
（155 个字符）
