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1·The wheel head can be orientated in double axes so that any spiral Angle and back Angle may be adjusted rapidly.

该机床磨头可以又轴定位，任何螺旋角和后角均可快速调整。

2·The study shows that the stress in tooth middle is larger than that in tooth root with big spiral Angle and light load.

研究表明，大螺旋角或小载荷时，齿腰应力大于齿根应力。

3·The spiral angle of graduated circle was rough estimated by measuring the addendum circle diameter and modified on milling machine.

测量齿顶圆直径估算分度圆螺旋角，用分度头在铣床上修正分度圆螺旋角，并进行误差分析。

4·When rotation speed is low, factors effecting soil delivering resistance are the soil volume carried by the vane and the spiral angle of drill.

采用两种不同螺旋角钻具对粘土进行输土实验，对比阻力结果证明了理论的正确性。

5·However, the sectional profile of groove and rake Angle are frequently prone to be below the mark even being rejected because of a large spiral Angle.

但若所加工的螺旋角较大，则易出现槽形和前角不符要求，乃至报废。

6·A method to improve the dynamic characteristics of gear system is proposed through the selection of spiral Angle of helical gear according to gear system dynamics theory.

以齿轮系统动力学理论为基础，提出了通过斜齿轮螺旋角的择优选取改善系统动态特性的方法。

7·A vortex member is arranged on the vortex net board. The vortex member is a spiral twist sheet with a spiral Angle. The axial shape of the spiral twist sheet is circular.

所述旋流构件为一段带螺旋角的螺旋扭片，所述螺旋扭片的轴向形状为圆形。

8·The distribution of microfibril spiral angle and relative orientational index of cellulose crystallites in cotton fibre cell walls had been studied by X-ray diffraction analysis.

用x射线衍射法对棉纤维细胞壁的微原纤螺旋角和纤维素微晶相对取向指数在植株中的分布规律进行了研究。

9·The limit pressure angle is related to such factors as offset angle, mean spiral angle, pitch cone angle and mean pitch cone diameter, not to geometrical shape of the tooth surface.

极限压力角受偏置角、大小轮的螺旋角、节锥角和中点的分度圆直径影响，而与齿面的其他参数无关等结论。

10·As an application result are given for Gossypium hirsutum L. Daizi-15. The result was: Between 5 and 50 days postanthesis mean microfibrillar spiral angle of S_2 secondary walls declined.

测量结果表明：在花后5～50天内，细胞壁S_2，层的平均微纤丝螺旋角随花后生长天数的增加而逐渐变小。