如果我们想更加精确一点，我们知道当t变化的时候，乘以导数就出现了，well, t, times, the, derivative, comes, in，这是函数变化量的线性近似。
If we want to be a bit more precise, we know that when we change by t, t that's for linear approximation to how the function changes.
利用非线性散射函数可以完成对大信号射频功率器件的精确建模。
The nonlinear scattering function can build accurate model of RF power components under large signal.
在这篇文章中，我们得到了非线性函数在无穷远处超线性增长时一类高维半线性双曲方程的整体精确能控性。
In this paper, we obtain the global exact controllability for a class of multidimensional semilinear hyperbolic equations with a superlinear nonlinearity.
用双曲函数法，成功得到了非线性浅水长波近似方程组的精确孤立波解。
We successfully derived some exact solitary wave solutions of the nonlinear approximate equations with long waves in shallow water by using the hyperbola function method.
精密线绕电位器的线性精度、函数符合度、匝间短路等项技术指标的优劣，直接影响到它在自控系统和仪器仪表中的应用，需要在生产过程中进行精确的参数测试。
The performances of linearity, function conformance, and short circuit between turns have the direct effect on the applications of the potentiometer in automatic control and instrument systems.
针对非线性船舶航向保持系统，给出一种基于精确反馈线性化和闭环增益成形算法的非线性鲁棒pid控制器，该非线性PID控制器由非线性函数项和鲁棒pid控制器组成。
For a nonlinear course keeping system for ships, a kind of nonlinear robust PID is presented, which is based on an exact feedback linearization and a closed-loop gain shaping algorithm.
研究了一类整系数二阶线性微分方程解的幂和导函数的不动点和超级等问题，得到了一些精确的估计。
By using the factorization of meromorphic functions and the growth estimation of the modual, we obtain precise estimation of the order of growth and hyper-order of solutions of the equations.
研究了一类整系数二阶线性微分方程解的幂和导函数的不动点和超级等问题，得到了一些精确的估计。
By using the factorization of meromorphic functions and the growth estimation of the modual, we obtain precise estimation of the order of growth and hyper-order of solutions of the equations.
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