support extension ratio 支架伸缩比
critical extension ratio 临界拉伸比
flexion and extension strength ratio 有效性比较
extension of base field ratio 伸长比
tidal compression-extension earthquake ratio 潮汐体应力压张地震比
The axial drawing ratio and hoop extension ratio should be properly matched.
轴向拉伸比和环向扩张比要合理匹配。
The parameters mentioned are defined for the first time, such as the ratio of pore pressure and upper formation pressure, the fracture extension grads, etc.
孔隙压力流体评价方法所涉及到的孔覆比和裂缝延伸梯度等参数均为首次定义。
To establish relative perfect systems of qualified personnel training and technical extension for increasing the contribution ratio of ecological construction.
建立较为完善的人才培养和技术推广体系，提高科技对生态建设的贡献率。
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