Gradual rigidity leaf spring has variable rigidity feature, that causes little or nearly no change on offset frequency.
渐变刚度钢板弹簧具有刚度可变的特性，可使偏频变化很小或接近等频特性。
Based on field geological observation and the preserved Quaternary offset, the authors discovered active faults since Quaternary in Jimo hot spring basin.
根据野外地质观察和第四系的断错，在青岛即墨温泉盆地发现第四纪以来活断层。
Based on field geological observation and the preserved Quaternary offset, the authors discovered active faults since Quaternary in Jimo hot spring basin.
根据野外地质观察和第四系的断错，在青岛即墨温泉盆地发现第四纪以来活断层。
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