Control"},"section_hierarchy":[{"id":33176,"name":"Products","alias":"products"},{"id":33177,"name":"Control","alias":"products/control"}],"taxonomy":[],"authors":[{"id":13743289,"name":" Aaron Hand"},{"id":13743069,"name":"Aaron Hand"}]}">

当心瀑布:声学测量帮助

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一家加拿大铜矿因无法用激光、超声波或雷达技术精确测量一块碎矿存储区而面临相当大的安全和货币问题。低频声学测量帮助改变这一点