这位是新加坡立伟小学的校长杨亚地先生！大家掌声欢迎！
This is Mr. Yang Yadi, the headmaster of Liwei Primary School. Let's welcome him!
杨赤中法与克立格法，都是对空间域变量进行估计的方法。
Both Yang Chizhong method and Kriging can be used to estimate any variable distributed in space field.
并得出了新立油田扶杨油藏合理沉没度和合理下泵深度的范围。
The ranges of rational submergence depth and pump setting depth are presented for Fuyang reservoir of Xinli oilfield.
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