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1. |
In vibration isolation system, if ‚âà √¨‚à ö¬¢/‚âà √¨‚à ö¬¢n, then the phase difference between the transmitted force and the disturbing force is |
A. | 0° |
B. | 90° |
C. | 180° |
D. | 270° |
Answer» D. 270¬¨¬®‚Äö√†√ª | |