| 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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