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Proceedings of 7th World Conference on Earthquake Engineering: held in Istanbul, Turkey, Sept.8-13, 1980
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摘要
As the upper boundaries of particle velocities of several strong earth-quakemotions are almost constant over a wide frequency range, the author de-veloped a velocity type strong. motion seismograph with the dynamic range from 100 to 0. 01 kines over the period range from 0. 05 to 50 seconds.

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