可选地，存储器可存储与当前和先前参考平面有关的坐标。

Optionally, the memory may store coordinates in connection with the current and prior reference planes.

youdao

可选地，存储器可存储与当前和先前参考平面有关的坐标。

Optionally, the memory may store coordinates in connection with the current and prior reference planes.

youdao