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The usual internal friction instrument is low-frequency mechanical relaxation instrument.
通常的内耗仪，应为低频力学弛豫谱仪。
youdao
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The reasons that internal friction is very low and stable are discussed.
讨论了内耗低和稳定的原因。
youdao
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The reasons that internal friction is very low and stable are discussed.
讨论了内耗低和稳定的原因。
youdao