This is only an extern reference, not the declaration itself.

这只是个extern引用，而非声明本身。

youdao

For more information, see extern alias.

如需详细资讯，请参阅 外部别名。

youdao

Ocean scale computation will solve the problem that wave numerical computations lack of extern boundaries.

而海洋尺度的计算将解决近岸波浪模型计算缺少准确外边界的难题。

youdao

Ocean scale computation will solve the problem that wave numerical computations lack of extern boundaries.

而海洋尺度的计算将解决近岸波浪模型计算缺少准确外边界的难题。

youdao