| 单词 | alternating gradient | 
| 释义 | alternating gradient [`ȯl·tǝr·nād·iŋ `grād·ē·ǝnt]  ELECTROMAGNETISM A magnetic field in which successive magnets have gradients of opposite sign, so that the field increases with radius in one magnet and decreases with radius in the next; used in synchrotrons and cyclotrons.  | 
	
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