常見(jiàn)例句雙語(yǔ)例句Objective To investigate difference of metric ruler, videorefactor and pupillometer in measuring pupillary distance (PD).目的比較米制直尺、電腦驗(yàn)光機(jī)與瞳距儀測(cè)量雙眼瞳距的差異。 返回 pupillary distance