自重变形 meaning in English

gravity distortion

Test method for properties of investment casting shell - part 2 : determination of deformation under weight at elevated temperature
熔模铸造型壳性能试验方法第2部分:高温自重变形的测定
Advanced technical ceramics - methods of testing monolithic ceramics - thermo - mechanical properties - determination of self - loaded deformation
高级工业陶瓷.整体陶瓷的试验方法.热-机械特性.自重变形的测定
Advanced technical ceramics - methods of testing monolithic ceramics - thermo - mechanical properties - part 2 : determination of self - loaded deformation
先进工艺陶瓷.单片陶瓷的测试方法.热机械性能.第2部分:自重变形的测定
The distortion resulting from antenna ' s deadweight results that the fact surface departures the theoretical surface regularly . at the same time , because of moulding and weld fault , the measurement data departures the theoretical surface randomly . the process of the data processing is composed of three steps
雷达天线处于架设状态下，由于自重变形导致实际面形偏离理论面，造成变形系统误差；而蒙皮表面加工及焊点接触不良则造成天线面的随机误差。