| English | eng-000 |
| initial design | |
| 普通话 | cmn-000 | 初步设计 |
| 普通话 | cmn-000 | 原设计 |
| English | eng-000 | conceptual design |
| English | eng-000 | original design |
| English | eng-000 | predesign |
| English | eng-000 | preliminary design |
| English | eng-000 | preliminary sketch |
| русский | rus-000 | исходное проектное решение |