| English | eng-000 |
| experimental stage | |
| 普通话 | cmn-000 | 实验阶段 |
| 普通话 | cmn-000 | 试验阶段 |
| Deutsch | deu-000 | Versuchsstadium |
| English | eng-000 | experimental phase |
| English | eng-000 | test session |
| English | eng-000 | trial and error phase |
| 日本語 | jpn-000 | 実験段階 |
| русский | rus-000 | стадия испытаний |