According to the actual condition of high bench in open cut coal mines and similarity law, a similarity model of high bench casting blast experiment was built and similarity constant was deduced.

根据露天煤矿高台阶抛掷爆破现场工况和相似准则，建立了高台阶抛掷爆破的相似试验模型，推导了相似常数。

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The effect of casting blast could influence working performance of dragline and cost of production in open-pit.

在露天矿抛掷爆破中，爆破效果的优劣影响到拉斗铲作业效率及露天矿生产成本。

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Hand-plucked from an open casting call in Dallas, the 15-year-old has the hit-making machine that catapulted Cyrus, Hilary Duff and Zac Efron to stardom behind her.

FORBES: Magazine Article

While I think the industry is pretty open on casting, it's not that open on making serious movies in general, and serious African-American movies are probably even harder to get financed.

CNN: Cover story: Where's the diversity at the Oscars?