Draw a rough design for a logo...畫一個(gè)公司標(biāo)志的草圖。...the design of new absorbent materials.新型高吸水性材料的設(shè)計(jì)The optimum design of the controller of compound active noise cancellation earmuff is discussed.探討了復(fù)合式有源消聲耳罩的控制器的優(yōu)化設(shè)計(jì)方法.The ...