hard error
英 [ˌhɑːd ˈerə(r)] 美 [ˌhɑːrd ˈerər]
n.
硬错误(导致程序或操作系统停止工作，而且无法更改)
Hard error bounds of transfer function estimates and their convergence property
传递函数估计误差的硬界及其渐近性质
The compass deviation is composed of hard iron error, soft iron error and alignment error in this thesis.
三轴磁强计的罗差主要包括硬铁误差、软铁误差和对准误差。
