The model established in this paper puts forward two situations, a linearly and a sinusoidally skewed annulus.

建立了偏心度在井眼内按线性及正弦规律变化的偏心环空流问题理论模型。

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The case of a harmonic oscillator driven by sinusoidally varying force is an extremely important one in many branches .

在许多领域中受正弦变化力策动的谐振子是一种十分重要的运动。

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AIM: To study the distribution of the sinusoidally time-varying electromagnetic fields in our single measurement channel of magnetic induction tomography (MIT).

目的：探讨脑磁感应断层成像（MIT）单通道测量的正弦时变电磁场分布。

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