shadow zone

Describing the general appearance of aerodynamic shadow zone, and suggesting to the definition of aerodynamic shadow zone.

描述空气动力阴影区的一般形状，并对空气动力阴影区的定义提出建议。

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The UNSC prowler Dusk hovered in the shadow zone of the fourth planet's moon.

UNSC巡游艇黄昏号盘旋在第四颗行星的月亮阴影里.

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Discussion on the seismic phase characteristics in shadow zone in Tianshui station

天水台影区地震震相特征讨论

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X ray demonstrated a large dense mushroom shaped mass shadow attached to the bone cortex, with a clear lucent zone between the mass and underlying cortex in some cases. CT scanning confirmed the medullary involvement in 6 cases ( 26%).

X线显示为附着于干骺端骨皮质表面生长的广基性蘑菇状致密肿块影，部分病例于肿块和其下骨皮质间可见狭窄的透亮带，CT证实6例伴有髓内累及（26%）。

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