There are also two highly specialized, less frequently used tools, as shown in Table 2

还有两个高度专门化的、不那么常用的工具，如表2 所示

youdao

There are also two highly specialized, less frequently used tools, as shown in Table 2

还有两个高度专门化的、不那么常用的工具，如表2 所示

youdao