apparent angle of internal friction 表观内摩擦角

apparent angle tilt 拟似倾斜角

apparent angle of tilt 拟似倾斜角

apparent angle of arrival 视在到达角

apparent angle of friction 视摩擦角

apparent phase angle 表观相角

Apparent Visual Angle 视角 ; 表观视角

apparent contact angle 视接触角

apparent directional angle 视方位角