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。
This article focuses on the process of shaping the mixed rifle with a large spiral angle in the cannon, and proposes a cone-like cathode structure with asymmetric cuneiform working tooth.
分析了火炮身管大缠角混合膛线的成型过程，提出圆锥体单边切进楔形工作齿的阴极结构，经试验确定了阴极体锥度、长度与楔形工作齿角度的匹配关系。
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。
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。
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。
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。
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。
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