When we can see it, it appears as a fuzzy ball.

当我们能看到它时，似乎只看到一个模糊的球体。

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The concepts of fuzzy ball, fuzzy press-ball and fuzzy neighborhood were proposed in this paper, which were employed to describe the fuzzy nature language words nearby a point or about a number .

引入模糊球、模糊压缩球、模糊邻域等概念，用来作为对模糊自然语言词组“一点附近”、“某值附近”等的描述，分别从相关数学性质分析证明和示例仿真两个方面说明这种模糊描述的有效性。

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A fuzzy tennis ball flies faster than a bald one for the same reason, Mr Bottaro explains.

毛茸茸的网球比表面光滑的球飞得快的原因正是这个原理，波塔罗解释说。

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The image wasn't perfect (expected for a first attempt), as at certain times the signal would wig out and at others -- when the ball moved fast enough -- it got fuzzy.

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