| 释义 | 
		Noun: Rf- A radioactive transuranic element which has been synthesized
  - rutherfordium, unnilquadium, Unq, element 104, atomic number 104  Noun: RF- 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
  - reticular formation  - A substance produced by the hypothalamus that is capable of accelerating the secretion of a given hormone by the anterior pituitary gland
  - releasing factor, releasing hormone 
 Type of: chemical element, element, factor, neural net, neural network Part of: brain stem, brainstem, brain-stem Encyclopedia: RF  Rf |