flux line 液面线 ; [物] 通量线 ; 玻膏面 ; 力线
magnetic flux line 磁通线 ; 磁通量线 ; 磁束线
flux line lattice [低温] 磁通线点阵
flux-line lattice 磁通线格子
flux line of 通线
flux-line attack [机] 液线侵蚀
light flux line 空载水线
flux line pinning 磁通钉扎
Then I can actually -- --replace the line integral for flux by a double integral over R of some function.
那么我就能名正言顺地,用R上的某个函数的二重积分来替代通量的线积分。
What is flux? Well, flux is actually another kind of line integral.
通量是什么？，通量其实是又一种线积分。
So, the line integral for work Mdx+Ndy becomes in coordinates integral of Mdx plus Ndy while we've also seen line integral for flux.
那么对做功求线积分,就变成坐标积分,同时也有对通量求线积分的。
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