Delta system
[电] 角接系统
🧩 词语组成解析
delta
['deltə]
n. 希腊语字母表第四字母δ;（河流的）三角洲;[数]变量增量;
🗣️ 情景例句
She's still giving the toughest English history exams
她仍用最艰深的英国史试题考学生
I hope my visit does not cause you too much trouble.
我希望这次来参观没有给你们增添太多的麻烦。
In the first place, any scientific study requires that there be no preferential weighting of one or another of the items in the series it selects for its consideration.
首先，任何科学研究都要求人们对可供考虑的诸多因素不能厚此薄彼，偏向某一方面。