L2
| 导航 | ||
|---|---|---|
| K2 | ||
| L1 | L2 | L3 |
| M2 | ||
| L2 | - | 2L |
L2可以指：
- 人類粒線體DNA單倍體群中的单倍型类群 L2 (mtDNA)
- ATC代码 (L02)（内分泌疗法）
- L2拉格朗日点
- 多条编号为L2的交通路线，参见L2线
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