mm⁻¹ would be unintuitive since that kind of micro adjustments are uncommon in my opinion.
This is actually a good idea. I have considered "/cm", "pcm" (per centimeter) and "cpcm" (counts per centimeter), but they don't look right in my opinion.
Yes, I know that calling it "mouse DPI" is technically incorrect.
實際直徑約3.9cm ± 1m 重量約80g
mm⁻¹ would be unintuitive since that kind of micro adjustments are uncommon in my opinion.