The Alps potentiometers for volume control are marvelously smooth and noise free, allowing a very gradual increase in sound levels even in the 7-10 o 'clock region.
音量控制电位的阿尔卑斯山是不平凡的顺利和无噪音，使声音的水平在逐步提高非常即使在7 - 10点区域。
In this paper, we propose a projected trust-region algorithm for solving bound-constrained smooth systems of equations.
本文提供了在没有非奇异假设的条件下，求解有界约束半光滑方程组的投影信赖域算法。
In this paper is discussed the plain problem for multiply connected region of which the boundaries are closed smooth curves.
本文对边界是封闭光滑曲线的多连通域平面问题进行了研究。
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