del
FREQ #4747
发音
US
/dɛl/
词形变化
dels
复数
释义与例句
n.
-
1.
The symbol ∇ used to denote the gradient operator.
数学 -
2.
the symbol ∂, in the context of a partial differential
数学 -
1.
a part, portion
废旧 -
1.
Abbreviation of delegate.
-
2.
Abbreviation of delegation.
v.
-
1.
Abbreviation of delete.
sym.
-
1.
Abbreviation of Latin delineavit as seen on published artwork, identifying the original artist. Commonly seen in books and articles on topics in natural history.
相关短语
词源
From delta, the symbol being an inverted delta.
来源:wiktionary