... opencut mining 露天开采 open-end method 敞开进路式矿柱回采法 open-end pillar method 开端式煤柱回采法 ...
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open-end pillar method [矿业] 开端式煤柱回采法
Because the liquidity risk of open-end funds is mainly from large amounts of redemption, it is more appropriate to predict the large amounts of redemption by using truncation distribution method.
由于开放式基金流动性风险主要来自于大额赎回量，因此使用截尾分布方法预测未来近期的大额赎回量更合适。
The far-field radiation pattern of the open-end rectangular waveguide was measured and the complex coefficients of each mode were determined by this method.
这种方法先根据波导口尺寸利用惠更斯原理计算出各模式的辐射场的分布；
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