基本解释[材料科學]光束定位精確度英汉例句雙語例句Objective To assess the accuracy of isocentric rotation movement of Patient Positioning System (PPS) in fixed beam proton therapy.目的評估固定束質子治療的病人擺位系統等中心鏇轉運動的精確性。beam positioning accuracy更多例句专业释义材料科學光束定位精確度