screw on是什么意思

用法例句

Discriminance for the compatibility of screw fastener based on random Hough transform;

基于随机Hough变换的螺纹可旋入性判别法

Relationship of Vertebral Body Bone Mineral Density with Insertional Torque and Pull-out Strengths of Pedicle Screws and Its Clinical Significance;

椎体骨密度、椎弓根螺钉旋入力矩与拔出力的关系及临床意义

Objective To discuss and introduce the method of the RSIN for treatment distal fractures of the femur through intercondylar retrograde approach.

方法　采用旋入钉逆行固定股骨下 1/3及髁上骨折 38例 ,其中非稳定性骨折 2 4例 ,C3 型骨折 3例 ,合并同侧股骨多节段骨折 5例 ,同侧髌骨骨折 6例和同侧胫骨骨折 4例 ;以闭合复位固定 11例 ,开放复位固定 2 7例 ,其中 16例行钢丝环扎固定 ,2 8例获得 6个月以上随访。