初读数 meaning in Chinese

[物理学] initial reading

The measured result of pylon ' s stress was compared with theoretical value . the comparison shows that non - stress ingredient could be mostly excluded by deducting initial value , and that the modified test - result of stress could well display the real stress state
索塔应力理论值同测试值的比较分析表明：通过扣除初读数的方法，可大大减小应力测试值中非应力成份，能取得良好的应力测试效果。