... frequency indicator 频率指示计 frequency measuring bridge 测频电桥 frequency measuring counter 测频计数器 ...
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Cable force is important in cable-stayed bridge 's design and construction. The method of measuring frequency of its own to estimate cable force is widely used in bridge engineering.
索力是斜拉桥设计和施工的重要依据，根据测得的固有频率估算索力的频率法在桥梁工程中广泛应用。
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