正解:C
"The pixel counter tool allows you to verify that the resolution at a given distance meets identification, recognition, or detection requirements for a surveillance scene."
- Axis Communications Academy, Network Video Fundamentals, 2022
"Axis cameras have a built-in pixel counter feature, helping installers confirm if a scene has the needed pixel density."
- Axis Pixel Counter Tool
References:
Axis Communications Academy, Network Video Fundamentals, 2022 (p. 62)
Axis Pixel Counter Tool