Datum setting
[计] 基准线确定
🧩 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
Thank you.
谢谢 。
All is not gain that is put in the purse.
放入钱包的钱财，并非都是应得的。
There were hardly any trees on the island and there was no water, but this did not prove to be a problem.
岛上几乎没有一颗树，也没有淡水，但这不算什么问题。