十字星

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十字星十字星
  1. 十字星分形的Hausdorff测度

    Hausdorff measure of crossing star fractal

  2. 五个女童子军站成南十字星的形状。

    Five Brownies stand in the position of the stars of the Southern Cross .

  3. 研究表明,十字星构造是构造应力和岩体重力复合作用的产物,是一种发生在陡倾岩层临空部位的表生构造。

    The Cross Star structure is a kind of superficial structure , which occurs in the dipping steeply rock nearby its surface , and has formed by the effect of tectonic stress and gravity at the same place but not at the same time for its different parts .