pdy

pdy

 英

  • 網絡前列腺痛;預拉伸絲;部分拉伸絲(partially drawn yarn)

例句

We said the line integral of F dot n ds is actually the line integral of - Q dx P dy.

我們F?nds積分實際上就是-Qdx+Pdy積分

It is integral along C of negative Q dx plus P dy.

-Qdx+Pdy沿著C積分

Yuan H M. Investigation of PdY Alloys[J]. Rare Metal Material and Engineering, 1992, 21(6).

袁弘鳴合金研究[J]。稀有金屬材料工程,1992,21(6)。