·2,447,543篇论文数据，部分数据来源于NoteExpress
Non-constant error variance or heteroscedasticity.
非常量误差方差或异方差性。
The best precise observe data of optics is a standard of compare to estimate the constant error of radar in accuracy check flying and project.
光学设备测量数据因精度高而一般成为雷达精度校飞、实测数据固定偏差估计的比较标准。
With the application of mixed position closed-loop system in the high-speed precise laser sub-marker, the response has been increased greatly and constant error has been decreased.
将混合位置闭环系统应用于高速精密激光内雕机中，大大提高了系统的响应性，减少了系统的稳态误差。
应用推荐