有理数域

field of rational numbers (math.), usually denoted by Q

to have; there is / (bound form) having; with; -ful; -ed; -al (as in 有意[you3 yi4] intentional)

reasonable / justified / right / (math.) rational

texture / grain (of wood) / inner essence / intrinsic order / reason / logic / truth / science / natural science (esp. physics) / to manage / to pay attention to / to run (affairs) / to handle / to put in order / to tidy up

rational number (i.e. fraction of two integers, math.)

to count / to count as / to regard as / to enumerate (sb's shortcomings)

number / figure / several / CL:個|个[ge4]

frequently / repeatedly

number field (math.) / subfield of the field of complex numbers

field / region / area / domain (taxonomy)