チ。―地球の運動について―
Orb: On the Movements of the Earth
Volumes
| Cover | Vocabulary List | Total | Unique | Used Once | New ⓘ | Density ⓘ | |
|---|---|---|---|---|---|---|---|
| Series | 11,179 | 3,442 | 1,967 | 57% | 9.35 | ||
 |
チ。―地球の運動について― １ | 3,288 | 1,506 | 978 | 64% | 1,506 | 20.17 |
 |
チ。―地球の運動について― ２ | 3,869 | 1,668 | 1,048 | 62% | 1,122 | 3.86 |
 |
チ。―地球の運動について― ３ | 4,022 | 1,654 | 1,021 | 61% | 814 | 4.01 |