词汇	rod lenses
释义	rod lenses 柱状透镜
随便看	Demand condition demand cone demand cone model of Losch demand cone of broad sense demand cone of losch demand connotation demand consideration demand consistent demand constraint demand constraints demand continue demand continues to pyramid demand contractual demand control demand control apparatus demand-controlled oxygenating respirator demand controlling ability demand-controlling policy demand correlation demand correlations demand correspondence demand-creating demand creation demand cruelly demand curbing measure