计算机将呈现多种形式，但我们已开始依赖的这种通用机将永远拥有一席之地。

Computers will take many forms, but there will always be a place for the all-purpose machine we've come to depend on.

目前光伏水泵的推广面临两个方面的障碍，一方面是应用较多的专用型光伏机泵成本较高；另一方面利用通用变频器驱动通用机泵时光伏利用率低。

The special inverter and pump for photovoltaic water pump is expensive and making using of general inverter to drive general water pump can not tracks point of maximal power.