本文采用导向联系三角形观测方法，导出了矿井定向角度的误差计算公式。
This paper educed the error calculation formula of the mine directional Angle by using the method of guidance relation connected with the triangle observation.
沿盆地长轴方向，在坡降缓、斜坡长的古地形等条件下，源远流长地巨大的定向曲流河携带大量的泥沙进入湖盆，在河湖作用过渡带形成曲流河三角洲沉积体。
The immense oriented meandering river, along the long axis of the depression and with the gentle declivity and long slope, carried a large amount of mud and sand into the lake basin.
方案设计采用三角形爆破缺口，掏槽爆破加风镐修整开凿定向窗。
Triangle cut was adopted and directional window was excavated by cutting blasting and pneumatic pick repair.
辐射角及中心偏移，是定向X射线探伤仪的重要技术指标。
Radiation Angle and central deviation is important parameters of an X-ray directional flaw detector.
将该方法应用到反导定向战斗部中，解决了反导定向战斗部确定目标方向角信息的技术难题。
Using this method the problem of measuring target directional angle in anti-TBM aimed warhead was solved.
采用角速率作为定向器束振动特性的表征，用压电射流角速率陀螺仪测量了定向器束实际发射状态下的角速率。
Angular rate is selected to represent the vibration characteristic. It was measured by using piezoelectric jet flow gyroscope when launching.
计算结果同时证明，如果在川西深层采用定向井钻井，其井壁稳定性将不会因为井斜角、相对方位角的变化而变差，且地层破裂压力会随井斜角和相对方位角的增加而大幅提高。
It also figures out that the wellbore stability of directional well in the West of Sichuan Basin will be much better than the straight hole with the increasing of the deviation and relative azimuth.
计算结果同时证明，如果在川西深层采用定向井钻井，其井壁稳定性将不会因为井斜角、相对方位角的变化而变差，且地层破裂压力会随井斜角和相对方位角的增加而大幅提高。
It also figures out that the wellbore stability of directional well in the West of Sichuan Basin will be much better than the straight hole with the increasing of the deviation and relative azimuth.
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