单词 | invariance principle |
释义 | invariance principle [in`ver·ē·ǝns ´prin·sǝ·pǝl] PHYSICS Any principle which states that a physical quantity or physical law possesses invariance under certain transformations. Also known as symmetry law; symmetry principle. RELATIVITY In general relativity, the principle that the laws of motion are the same in all frames of reference, whether accelerated or not. |
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