By the perturbation method, the formula of the critical temperature difference may be found and the error of which may also be estimated.
采用摄动理论，本文导出了路面板临界铺设温差的渐近表达式并给出了误差分析。
2
In this paper the nonlinear stable temperature field problem, in which the conductivity is a linear function oftemperature, has been solved by using the perturbation technique.
本文用摄动方法求解热传导系数是温度的线性函数的非线定常温度场问题。
3
The temperature sensitivity of the frequency as a function of quartz crystal anisotropy is presented by the perturbation equation due to the temperature change.