RF
無線電頻率
RF
n 1: a substance produced by the hypothalamus that is capable of
accelerating the secretion of a given hormone by the
anterior pituitary gland [syn: releasing factor, releasing
hormone]
2: a radioactive transuranic element which has been synthesized
[syn: rutherfordium, kurchatovium, Ku, unnilquadium,
Unq, element 104, atomic number 104]
3: a complex neural network in the central core of the
brainstem; monitors the state of the body and functions in
such processes as arousal and sleep and attention and
muscle tone [syn: reticular formation]