Every pixel, segment, and square millimeter of display are significant in the design of display-constrained embedded systems.
The results from the pollen densitometers indicate the number of pollen grains sucked into a device per square millimeter of the aperture.
A unit of retinal illumination, equal to the amount of light that reaches the retina through 1 square millimeter of pupil area from a surface having a brightness of 1 candela per square meter.
The bristles (6) have a high bristle density of at least 6 bristles per square millimeter and consist of a plastic material that has a Shore hardness D of more than 40.
I admired his frugality-Rick would sew up the holes in his socks rather than buy new ones, keep cars until they fell apart （ we still have the 1975 Camaro he drove on our first date ） and fill up every square millimeter of a note card.
