chnx造句

CHNS also simulcasted first on 6135, then on 6130 kHz on the 49 meter shortwave band with the call letters CHNX until 2001.
For organic chemists, elemental analysis or " EA " almost always refers to CHNX analysis the determination of the chromatographic procedures have replaced EA as the primary technique for structural determination, although it still gives very useful complementary information.
It's difficult to see chnx in a sentence. 用chnx造句挺难的