低功率

• underpower
• light rating
• low power
• low-powered

例句

1. 寻星镜一种低功率大视野的望远镜，附加在一台较大的望远镜上，为开始标出被观察的物体位置而指向同一方向
   A low-power, wide-angle telescope fixed to the body of a more powerful telescope and pointed in the same direction for initially locating an object to be observed.