基本解釋試視力字體同根派生 optotypes相關詞英漢例句The E optotype on the chart had 3 limbs of equal length.A regular geometric progression of optotype sizes and distribution was employed to arrange 14 lines with 4 optotypes on each line. 采用三劃等長的E形視標，視標大小及排列采用均勻的幾何增率，每行視標數(shù)為4個，共14行，每兩行視標變化進率為拶而。optotypes更多例句