There are multiple definitions:
Colorado tick fever(English)
- an arbovirus maintained in an enzootic cycle e.g. between Rocky Mountain wood ticks (Dermacentor andersoni) and rodent species in the western United States. Patients typically present with symptoms including fever, headache, myalgia, and lethargy, with a biphasic illness frequently occurring
- CDC
- Virology, Tropical medicine
- https://doi.org…9/ajtmh.24-0044
contrast transfer function(English)
- a graph relating the percentage of specimen contrast transferred to the image
- MTF, PTF, OTF
- Microscopy, Optics and vision
- https://www.oly…atomy/mtfintro/
carbonized thin film(English)
C-termnal fragment [of amyloid precursor protein](English)