Translation refers to the equidistant movement of all points on the map along a straight line in the plane. This kind of graphic movement is called graphic translation movement, which is called translation for short.

I. Basic nature

1. The shape and size of the graph have not changed before and after translation, but the position has changed.

2. After the graphic is translated, the line segments connected by the corresponding points are parallel (or on the same straight line) and equal.

3. Multiple consecutive translations are equivalent to one translation.

4. Even symmetrical figures are equivalent to translation figures.

5. Translation is determined by direction and distance.

6. After translation, the corresponding line segments are parallel (or * * * lines) and equal, the corresponding angles are equal, and the line segments connected by the corresponding points are parallel (or * * * lines) and equal.