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单词 linear element
释义 linear element
[`lin·ē·ǝr `el·ǝ·mǝnt]
MATHEMATICS
On a surface determined by equations x = f (u,v ), y = g(u,v ), and z = h(u,v ), the element of length ds given by ds2 = E du2 + 2F du dv + G dv2, where E, F, and G are functions of u and v.
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