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

There is no open casting for actors in Saudi Arabia and it is hard to find either women or girls to appear on film because it is regarded negatively by conservatives in the country.

BBC: Haifa al Mansour becomes first female Saudi director

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?