年代/发文年龄段 | 论文数 |
| 图表信息 | ||||||
数量(篇) | 占比(%) |
| 图数(个) | 空间图数(个) | 空间图占比(%) | 表数(个) | 表图比 | ||
1950s 及以前 | 青年 | 70 | 1.5 | 2.8 ± 3.0 | 0.7 ± 1.1 | 24.7 ± 35.0 | 2.4 ± 2.0 | 0.9 ± 1.8 | |
中年 | 669 | 14.3 | 2.8 ± 2.6 | 0.8 ± 1.3 | 27.2 ± 34.0 | 2.4 ± 2.6 | 0.8 ± 2.0 | ||
老年 | 240 | 5.1 | 2.4 ± 2.6 | 0.8 ± 1.3 | 33.9 ± 36.8 | 1.9 ± 2.2 | 0.8 ± 1.6 | ||
1960s | 青年 | 393 | 8.4 | 2.3 ± 2.1 | 0.5 ± 0.9 | 22.0 ± 32.1 | 2.3 ± 2.2 | 1.0 ± 1.8 | |
中年 | 661 | 14.2 | 3.1 ± 2.4 | 1.2 ± 1.6 | 38.4 ± 39.5 | 2.2 ± 1.8 | 0.7 ± 1.5 | ||
老年 | 6 | 0.1 | 2.3 ± 1.2 | 0.8 ± 1.2 | 35.7 ± 31.8 | 2.8 ± 2.4 | 1.2 ± 1.6 | ||
1970s | 青年 | 739 | 15.8 | 3.2 ± 2.2 | 1.1 ± 1.5 | 35.8 ± 35.6 | 2.3 ± 1.9 | 0.7 ± 1.5 | |
中年 | 464 | 9.9 | 3.6 ± 2.3 | 1.7 ± 1.8 | 47.9 ± 37.5 | 2.4 ± 1.7 | 0.7 ± 1.3 | ||
1980s | 青年 | 1154 | 24.7 | 3.8 ± 2.1 | 1.7 ± 1.6 | 44.3 ± 36.0 | 2.3 ± 1.7 | 0.6 ± 1.1 | |
中年 | 42 | 0.9 | 3.9 ± 2.5 | 2.2 ± 1.9 | 55.2 ± 35.1 | 2.2 ± 1.6 | 0.6 ± 1.2 | ||
1990s | 青年 | 232 | 5.0 | 3.8 ± 2.0 | 2.1 ± 1.6 | 54.1 ± 33.8 | 2.6 ± 1.6 | 0.7 ± 1.0 | |