断裂方向角 breaking direction angle
对向方向角法 method by reciprocal bearings
方向起伏 direction fluctuation
裂缝起裂角 refracturing initiation angle
起裂角 initial angle of crack; initiation angle; crack initial angle
起裂角β0 crack initiation angle β0
翼裂纹起裂角 initiation angle of wing crack
爆裂方向 extra-owing digging
断裂方向 rift direction
开裂方向 direction of crack initiation
开裂方向预测 crack direction prediction
破裂方向 Ruplure direeltion
破裂方向性效应 Rupture directivity effect
折裂方向 direction of the fracture
边界方向角 Angle of edge direction
波达方向角 direction of arrival; direction-of-arrival
初始主应力方向角 initial orientation of principal stress; continuous rotation of principal stress direction
磁方向角 Magnetic bearing
大主应力方向角 angle of large principal stress direction