给出曲面、曲线的参数表示法，并且分析了参数表示法的优越性。
The parametric representations of curved surface and curve line are given. The advantage of this representation is also analyzed.
给出曲面、曲线的参数表示法，并且分析了参数表示法的优越性。
The parametric representations of curved surface and curve line are given. The advantage of this representation is also analyzed.
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