정의: 2009 (MMIX) was a common year starting on Thursday of the Gregorian calendar, the 2009th year of the Common Era (CE) and Anno Domini (AD) designations, the 9th year of the 3rd millennium and the 21st century, and the 10th and last year of the 2000s decade.
| 핵심 연구 분야 | Analysis |
|---|---|
| 주요 연도 | 2024년 |
| 주요 연관 키워드 | innovation |
| 좋아요 수 | 0 |