It is probable an error in your question.
The meaning of Nr. is number.
Square Foot
As far as I am aware, CO is not a unit of measure.
Hertz is a unit to measure frequency. Number of waves passing through a particular point in unit time is considered to define frequency. The unit for frequency is inverse seconds.
What is a unit to measure a tube of margarine
Ampere is the unit used to measure the current.
Probably "Number".
H2 +o2=h2ogive suggestion about this formulateklahaymanot tsegay
A dose unit of measure is likely to be a measured portion of a medicine.
databand-a unit to measure gain power
Square Foot
I am not sure what you mean with "S you". The SI unit is the newton.
Depending on the context -- the sentence or phrase where NR is used -- it may mean 'natural round'.
It doesn't mean anything. It is simply a unit of measure.
not reallyy ;) ;) ;)
If you mean the unit, that's the meter.
a unit of measure; femtoiters
It is the standard unit of measure for distance.