cān​zhào​wù

reference object

Senses

参照物/ 參照物 cān​zhào​wù reference object

An object used as a standard for comparison or used to determine whether another object is at rest or in motion; reference frame.

References

same_as 参照物/參照物 参考系/參考系
same_as 参考系/參考系 参照物/參照物