附加系统质量越大，受到激励后的振幅越大，对钻柱的减振作用越显著。

And the larger the mass of the additional system, the greater the amplitude formed after exciting, the more obvious the amortization effect on drilling string.

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附加系统参数的混合平差模型中 ，同时含有非随机系统参数和具有验前统计性质的随机系统参数。

The mixing adjustment model with systematical parameters is an adjustment model including both non random systematical parameters and random systematical parameters.

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附加系统参数的混合平差模型中 ，同时含有非随机系统参数和具有验前统计性质的随机系统参数。

The mixing adjustment model with systematical parameters is an adjustment model including both non random systematical parameters and random systematical parameters.

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