我厂在方位控制器生产过程中，测试发现方位控制器的随动误差常处在临界状态。
In the manufacturing process of azimuth controller, we discover that the following error often lie in the critical state.
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。
By the perturbation method, the formula of the critical temperature difference may be found and the error of which may also be estimated.
分析了振子的阻尼运动，得到了临界阻尼的附加条件，讨论了在一定的实验误差要求范围内，欠阻尼振子比临界阻尼振子更快地回到平衡位置的问题。
The paper also discusses the fact when that certain precision requirements are met, the underdamping vibrator returns more quickly to the balance position than the critical damping vibrator.
结果表明，准直线函数计算公式在工程常用范围内，计算临界水深的最大相对误差小于0.6%，准直线函数计算公式形式更为简单、精度较高、适用范围广。
The results showed that the maximum error was less than 0.6%, indicating that the direct formulas of the quasi-linear function were much simpler, precise and wider than previous ones in applications.
初次临界实验表明，临界装料的预估值与试验结果相对误差在1%之内，预估是成功的。
The first criticality experiment showed that the predicted values and the experiment results were in good agreement with little relative error less than 1%, which means the prediction was successful.
通过跨声速标模算例AGARD445.6机翼的颤振计算，计算的颤振临界速度与实验值有5%左右的误差，验证本方法的正确性。
The computing AGARD445.6 wing flutter results validate the physical law of a typical transonic flutter "dip" with the bottom near the domain which Mach number is 1.
通过跨声速标模算例AGARD445.6机翼的颤振计算，计算的颤振临界速度与实验值有5%左右的误差，验证本方法的正确性。
The computing AGARD445.6 wing flutter results validate the physical law of a typical transonic flutter "dip" with the bottom near the domain which Mach number is 1.
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