Probe into the value of the spiral CT 3-dimensional image reconstruction used in the diagnosis of the complicated membrum minor articulus trauma.

探讨 CT 三维重建成像对诊断四肢复杂小关节外伤的价值。

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It is located 3, 800 light-years away from Earth, inside the Orion spur — the same partial spiral arm of the Milky way where our solar system is located. The nebula is nearly 240 light-years across.

它跨度近240光年，位于猎户座旋臂里，离地球3,800光年远；而我们的太阳系也在银河系同样的旋臂中。

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Mechanical performances and cell adhesion of simple spiral and 3-strand spiral scaffolds are similar.

单螺旋和3股螺旋两种丝状支架的力学性能和细胞黏附性能相近。

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Starting his racing campaign a little later than his stablemate, Animal Kingdom was second by a head in a turf race in early March, an effort that sent him north to the Grade 3 Vinery Spiral over the synthetic surface at Turfway Park in Kentucky.

FORBES: 2011 Kentucky Derby Winner Starts His Comeback

The design calls for around 3, 000 individual receivers arranged rather like a spiral galaxy, with most of the telescopes concentrated in an inner core, and the rest arranged into a set of arms up to 3, 000km (about 2, 000 miles) long.

ECONOMIST: The Square Kilometre Array

The Turkish lira has slipped by more than 80% against the dollar, inflation has resumed its upward spiral, and tens of thousands of Turks have lost their jobs, including some 3, 000 media people.

ECONOMIST: Dark Morning in Turkey