• This thesis mainly studies SVM's application in blasting rock fragment-size.

    本文研究重点支持向量岩体爆破块度研究中的应用

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  • A xenolith - "foreign rock" in Greek - is a rock fragment foreign to the igneous rock in which it is embedded.

    岩,希腊语译为“外国岩石”,一种嵌入在火成岩里的非原有岩石碎片

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  • A large rock fragment, deposited in the midst of the fine-grained sediments on the floor of a proglacial lake or of the sea.

    沉积于冰湖底海底细粒沉积物中间石块

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  • Meanwhile, which can improve the blasting effect, made the rock fragment more uniformly, and improve the blasting efficiency.

    改善爆破质量,使破碎块度更加均匀,从而提高爆破效率

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  • This paper introduces the 'structure characteristics and rock fragment characteristics of single step drill head with point pick.

    介绍阶梯尖环齿钻头结构特点特点。

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  • A type of secondary porosity created through the dissolution of a preexisting constituent of a rock, such as a shell, rock fragment or grain.

    一种通过岩石组分(生物介壳,岩屑岩石颗粒)溶解所造成次生孔隙类型

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  • The reservoirs of the Yanchang formation almost are fine feldspathic sandstone, feldspathic debris sandstone, rock fragment feldspathic sandstone, and little quartzose sandstone.

    延长储集岩主要为长石砂岩、长石岩屑砂岩、岩屑长石砂岩等,还有少量的石英砂岩。

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  • Therefore, making a thorough study on the fragment size in rock mass blasting is of momentous practical significance.

    因此岩体爆破块度研究具有重要实际意义

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  • The fragment-size distribution of rock blasting is an important index to evaluate the blasting quality quantitatively.

    岩体的爆破块度分布定量评价爆破质量重要指标之一。

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  • The fragment-size distribution of rock blasting is an important index to evaluate the blasting quality quantitatively.

    岩体的爆破块度分布定量评价爆破质量重要指标之一。

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