例句與造句

1. Note : for luminaires using incandescent lamps only , the optical light output ratio and the light output ratio are in practice the same
   注：對于僅用于白熾燈的燈具，在實(shí)際應(yīng)用中，光效率哈燈具效率是相同的。
2. It's difficult to find light output ratio in a sentence. 用light output ratio造句挺難的