always-be-coding
All problems in computer science can be solved by another level of indirection.
靶面尺寸和镜头焦距配套对应的视场角 靶面尺寸和镜头焦距配套对应的视场角
1 2 3 镜头焦距: 1.9mm 1.9mm 1.9mm 2.4mm 2.8mm 2.8mm 2.8mm 3.6mm 3.6mm 3.6mm 3.9mm 4mm 4mm 4mm 5mm 6mm 靶面尺寸 长(mm) 宽(mm)
2022-05-23