推 qq123789:相位差 ? 01/03 03:11
→ FACE90006:算答對了~*\(^_^)/* 不過我覺得換個字會更好 01/03 10:51
→ FACE90006:預設答案:相位移 01/12 19:04
飛象
射物理名詞一(3字)
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請多指教~*
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