Seismic measurement is a direct method for understanding the physical condition of earth interior, and material composition of the earth interior may be deduced by some elastic parameters.
地震观测是了解地球内部物理状态的直接手段，通过一些弹性参数可以推测地球内部的物质构成。
2
The measurement of interior light environment is an importance technique on studying the evaluation of tunnel lighting.
其内部的光环境测试是研究评价隧道照明的重要技术手段。
3
It is known that the measurement error for the interior temperature always causes the numerical solution of the inverse heat conduction problem unstable.