BALs光谱内容下载 - 中文翻译为英文

We have downloaded the spectra of the BALs that we have selected. "我们下载了我们所筛选的BALs所在的光谱内容"的英文翻译是：We have downloaded the spectra of the BALs that we have selected. 这句话表明已经完成了对特定BALs光谱数据的下载操作，这些BALs是经过筛选的。