long time stability

finally, long-time stability and convergence of the finite difference scheme is proved.

最后，得到有限差分格式的长时间稳定性和收敛性。

the performance tests include the long time stability test and dark-noise detection, then the safety and stability of system are insured.

性能测试包括长时间稳定性测试及暗噪声测试，验证了系统的安全性及稳定性。

'we are still far from regaining long-time stability in japanese politics. '

日本政坛离获得长期稳定局面还很遥远。

The measurement of magnetic field distribution of the wide range magnetic spectrometer is carried out by a magnetometer with a temperature stabilized Hall element which has a long time stability of 0.03%.

本文报道了使用探头局部恒温的霍尔测磁仪，测量广量程磁谱仪的磁场分布，其输出的霍尔电压长期稳定度好于0.03%。

which have the following advantages: high coercive force, high electric resistance , long-time stability, and economical price.

它们具有：高矫顽力、阻抗、效稳定性和经济的价格。