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单词 magnetic constant
释义 magnetic constant
[mag`ned·ik `kän·stǝnt]
ELECTROMAGNETISM
The absolute permeability of empty space, equal to 1 electromagnetic unit in the centimeter-gram-second system, and to 4π × 10-7 henry per meter or, numerically, to 1.25664 × 10-6 henry per meter in the International System of Units. Symbolized μ0.
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