Grey forecasting method and time serise analysis method were used to analyse and forecast the subsidense of the overtain strata in the trial stope.
英
美
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對黃獅澇金礦試驗采場(chǎng)上覆巖層位移進(jìn)行了現場(chǎng)監測,并采用灰色預測法和時(shí)間序列分析法對試驗采場(chǎng)上覆巖層的下沉規律進(jìn)行了分析與預測。
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国内精品美女A∨在线播放xuan