此外，后路椎间融合模型还要通过在外科手术中很常用的单侧或双侧椎骨关节面切除来测试。
In addition, PLIF was also tested with either a unilateral or bilateral facetectomy to simulate commonly used surgical techniques.
结论肋头关节面多分为单、双两种形态，其中第3～10肋双关节面出现率更高，且形态变异较大，可能是双关节面更易出现肋头关节劳损与错位的重要原因。
Conclusion The articular surface of costal head is divided into single form and double form. Double form is prone to appear in 3 to 10 costal ribs with more morphological variations;
无论是单端供气还是双端供气，热壁面引起的管道流量波动幅度都要远大于绝热壁面的情况，最大波动幅度达2.16%。
The fluctuating amplitude of mass flow rates of branch pipeline outlets with hot wall boundary is bigger than that with adiabatic wall boundary, and the maximal fluctuating amplitude goes up to 2.16%.
滚筒法：有双滚筒和单滚筒两面种。
1 roller method: there are two kinds of roller and single drum.
使用日系伺服马达，速度极高，稳定性优。 精度高，透明标签不起泡泡，可贴多种容器之单、双、三面，透用范围广。
The machine has a large scope of use with high accuracy and when use transparent labels there will be no bubble.
使用日系伺服马达，速度极高，稳定性优。 精度高，透明标签不起泡泡，可贴多种容器之单、双、三面，透用范围广。
The machine has a large scope of use with high accuracy and when use transparent labels there will be no bubble.
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