The type of explosive used, rock properties, and method of loading and sequence of firing the holes, affect hole depth, diameter, alignment and spacing.

采用的炸药的类型、岩石的特性、装岩方法、各个钻孔的起爆顺序，这些都影响着钻孔深度、直径、排列和间距的确定。

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The event firing sequence of the elements on the report base shows the elements relative position.

报表基底上元素的事件序列显示了相关的位置。

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We can make use of the event firing sequence to sum up and calculate the data.

我们可以使用事件序列来总结和估算数据。

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It depends on hypersonic gliding maneuvers, the largest supersonic parachute ever deployed, eight hydrazine rocket engines firing in sequence and an elaborate system of tethers called a "sky crane" that are meant to lower the landing craft gently to the ground.

WSJ: NASA's Robot Lab Curiosity Nears Mars