但麦克光定位是远远不够的：还要绝对牢靠。

But positioning the mic is not enough: it has to be stable.

youdao

每个灯都被安装，结果它的光定位在物体的中心线上。

Each lamp is mounted so that its light locates on the centerline of the object.

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每个灯都被安装，结果它的光定位在物体的中心线上。

Each lamp is mounted so that its light locates on the centerline of the object.

youdao