According to the principle of the transverse stretch tensor of object and the optic lever arm magnifying, this article designed a case tester for Young's modulus.
根据物体纵向拉伸，弹性变量及光杠杆的放大原理，制作了箱式杨氏模量实验仪。
The face position can be appropriately estimated when the face of shot object changes from a forward direction to a transverse direction or a backward direction.
本发明在被 摄体的脸从正向变为横向、后向的状况时，也能适当地继续估计脸位置。
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