那是扇状的贝壳。
鲂？一种分布广泛的鲂？科海鱼，有扇状的胸鳍，头部大而有甲。
Any of various widely distributed Marine fishes of the family Triglidae, having large fanlike pectoral fins and a large armored head.
大一些的微粒以扇状的形式沉积下来，扇尖朝向地面风的方向。而小一点的微粒仍然在火星上空中漂浮。
Larger particles get deposited in fans that point in the direction of surface winds, while smaller pieces remain suspended above.
科学家们说这个理论可以解释一个长久以来的谜团：奇怪的火星黑斑，扇状结构和每年出现在火星南极附件的蜘蛛状图案。
The scientists say the theory may explain a long - standing mystery : strange dark spots, fanlike structures, and spidery patterns that appear near mars ' s southern pole every year.
科学家们说这个理论可以解释一个长久以来的谜团：奇怪的火星黑斑，扇状结构和每年出现在火星南极附件的蜘蛛状图案。
The scientists say the theory may explain a long-standing mystery: strange dark spots, fanlike structures, and spidery patterns that appear near Mars's southern pole every year.
从Johnson彗星的彗核（照片中部的黄色球体）向上延展的扇状区域描绘出了这颗彗星的尘埃“尾”。
The fan-shaped region that stretches upward from Johnson's nucleus (yellow ball in the middle) represents the dust "tail" of the comet.
活检的要点包括选择最佳层面和进针点，作多点扇状快速抽吸。
The key points of aspiration biopsy included selection of the appropriate cross-section.
一种成扇状分叉的电路。
一种成扇状分叉的电路。
应用推荐