Replacing usual sampling distribution with new one, more economic results can be obtained by less cost, and 84 gold-bearing structures have been found by 2 439 samples in Pingdu area.

• 用新的采样布局代替常规布局，能以较少的成本获得较多的经济效益，在平度地区以2439个样品发现了84条有价值的含金构造。