4 Click the object.
4 Drag right to left for a crossing selection.

4 Drag left to right for a window selection.

4 When multiple objects can be selected, press Enter when you are done selecting.

To select sub-object parts with a mouse

For many commands, you can select sub-parts of objects or specified object types to allow you to restrict selection in a tight area.

4 Command ⌘ + Shift + Left mouse click, window, or crossing.

Examples include:

Curve and surface control points
Polysurface and extrusion faces and edge curves
Surface edge curves
網格頂點、面、邊界、邊緣
群組裡的物件

請參考

More about selecting objects