Datum plane
基准面\\n[化] 假设零位面
🧩 词语组成解析
datum
['detəm]
n. 数据，资料;[测]基点，基线，基面;论据，作为论据的事实;[数]已知数;
🗣️ 情景例句
You hit it.
你说对了。
Come to me if you're in any difficulty.
有困难来找我。
Both the police and the workmen were grateful to the student for this piece of advance information.
警察与工人都对那个学生事先通报情况表示感谢。