undirectional
美 [?nd?'rek??n?l]
英 [?nd?'rek??n?l] 
英漢解釋
例句
Application on Measurment Adjustment of Undirectional Traverses and Coordinate Calculation
無定向導線的平差和坐標計算的應用
Carbon fibre reinforced plastics - Undirectional laminates - Tensile test parallel to the fibre direction
碳素纖維增強塑料.單向塑料層壓制品.纖維方向平行抗拉試驗