ray level run-length matrices

coupling mechanism between upper level and low level jet

fiscal system at county level and township level

interaction between upper level and lower level

municipal level and county level

~(137)Csγ- ray irradiation

~(3)Hβ-ray

~(60)Co γ Ray

~(60)Co-r-ray

~(60)Co-γ-ray

~(60)Coγ-Ray

~(80)Co-γ ray

10 keV X ray

137Cs-γ ray

2-D ray tracing

3-D ray tracing

3-D ray tracking

3-dimension ray tracking method

6 MV X ray

60 Co ray