the center of test and detection

bias between the mass center and siffness center

center to center (C-C)

center to center communications

center to center distance

center-to-center

“multiple spot” detection

“which way” detection and quantum information

3-2 Pull-Down detection

3D collision detection

3D detection

3D laser detection

3D line segment detection

3-D motion detection

3D multiple scale marginal detection

3D profile detection

a joint detection method

a rapid differential detection

abandoned object detection