And the paper achieved conversion from the completed polar coordinates to rectangular coordinate, and solved two key problems, dead address and blind zonephenomenon.
本文完成了雷达数据从极坐标到直角坐标的转换，解决了坐标转换易出现的死地址和盲区现象。
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It was discovered that structural heredity phenomenon took place in the non-equilibrium structure of overheated zone of HQ70 steel after another quick heating.
The elephant-food buckling(EFB) is one of the main destruction phenomenon of large cylindrical liquid storage tanks during earthquake, which occurs on the shell near the tank base zone.