例句與造句

1. He also did research using polarized electron beams to examine the spin structure of nucleons.
2. This showed that the quark sub-structure of nucleons bound in nuclei is different from that of free nucleons.
3. :The internal structure of nucleons like protons and neutrons is not well understood beyond the " quark and gluon sea " level.
4. During 1970-1991 synchrotron was operated with energies up to 4, 5 GeV and in Experimental Physics Division were obtained significant results, including : hadronic properties of photons in ?-meson photo-production on nuclei; structures of nucleon resonances in multi-polarization experiments, structure and characteristics of nuclear matter, important properties of X-ray transition radiation and channeling in monocrystals.
5. It's difficult to find structure of nucleon in a sentence. 用structure of nucleon造句挺難的