基本释义:

倒三角算子

网络释义

1)nabla,倒三角算子

2)nabla operator,倒三角算子

3)nabla calculation,倒三角算子计算

4)upside-down triangle,倒三角

5)tricepstrum underwater acoustic channel,倒三谱

6)up-side down triangle,倒三角形

7)Top third leaf,倒三叶

8)del,倒三角形

9)del operator,倒三角形

10)inverted triangle station position,倒三角布站

用法和例句

Based on the current situation of the supply and demand of China s medical and health resource, this paper, with the data collected, expounds the inharmonious phenomenon of "upside-down triangle" and "regular triangle" in the first part.

文章首先基于我国当前卫生资源供需现状,用数据引出"倒三角"与"正三角"的不和谐现象。