The thesis first promotes based Object Oriented Modeling method - Aggregating & Deriving Mothod.本文首先提出了基于面向对象思想的 建模方法 ——聚合派生法.An SPE has built - in filtering, aggregating and correlating, and merging operators that manip...
Convector. Fan can be added or removed.对流供热器. 可以添加或去除风扇.When the temperature of the room reaches 20'C, the convector heater cuts out.室内温度达到摄氏二十度时, 空气对流加热器就会自动停止工作....