h ii region meaning in English
电离氢区
氢离子区
Examples
- Uc h ii regions and are undergoing outflowing motions , which might be produced either by the expansion of the recently formed h ii region or by the presence of molecular outflows
这种运动可能由新形成的hii区膨胀形成或者由已经存在的分子外流驱动。我们对ngc7538irs1的氨分子vla观测数据重新进行了处理，分析了其动力学结构。