The method to describe the balloon shape with three characteristic parameters is put forward, and the parameter that can represent the tension change the most effectively is selected out.

提出用三个特征参数描述气圈形态的方法，并选择出能够最有效反映张力变化的形态特征参数。

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What is the shape of Amy's balloon?

艾米的气球是什么形状的？

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A large part of the water shape comes from the original balloon form.

水形成的形状大部分都源于初始的气球的形状。

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The biggest department store in town organized a parade every year: an enormous balloon in the shape of a garishly colored doll was paraded through the main streets, pulled by ribbons that sequin-clad girls held as they marched behind a musical band.

NEWYORKER: The Daughters of the Moon

Researchers said the negative vertebroplasty findings raise questions about the effectiveness of a related procedure called kyphoplasty, in which the cement is injected after a small balloon is inflated to restore the shape of the broken vertebra.

FORBES: Magazine Article

The weeklong festivities include fireworks and concerts and showcase all manner of dazzling displays, from a special shape rodeo to lighted nighttime " balloon glows, " but the climax is the handful of spectacular mass ascensions in which all participants take to the sky in two waves.

CNN: 7 breathtaking ballooning adventures