1949 1902 1872 1886 1873 04 UNIVERSITY OF TSUKUBA
2002 1973 1962 UNIVERSITY OF TSUKUBA 05
06 UNIVERSITY OF TSUKUBA
UNIVERSITY OF TSUKUBA 07
10 UNIVERSITY OF TSUKUBA
105 UNIVERSITY OF TSUKUBA 11
1.85% 44 2 3.49% 83 15 3.87% 92 26 16 UNIVERSITY OF TSUKUBA
2500 2000 1500 1000 500 0 H17 H18 H19 H20 H21 H22 H23 H24 H25 H26 H27 [ ] 800 600 400 200 256 291 459 504 657 663 0 H21 H22 H23 H24 H25 H26 [ ] 8.87% 211 34 1.68% 40 12 79.52% 0.71% 1891 19 17 2 UNIVERSITY OF TSUKUBA 17
18 UNIVERSITY OF TSUKUBA
UNIVERSITY OF TSUKUBA 19