The picture is a digital composite, a separate longer exposure added to an eclipse frame to capture the surrounding star field.

这幅图片是经过数码合成的，由一幅分开的长曝光照片和拍摄下周围星域的月食照片组成。

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The reason for this is because the above image is actually a digital composite of time-consecutive exposures from the same camera.

这是因为上面这张照片是同一台相机的连续曝光经过数位合成的影像。

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The principle of the analog-digital composite compensation technique is described and the factors causing fitting errors arc analyzed. The formula for calculating the maximum error is derived.

还叙述了模-数混合补偿技术的工作原理，分析了引起拟合误差的因素并推导出计算最大误差的公式。

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These numbers are composite numbers from Seagate and Western Digital and include Hitachi GST (and IBM before that companies HDD business became part of Hitachi GST) until 2009 when HGST quit publically reporting their ASPs.

FORBES: Why Government Regulators Should Approve Hard Disk Drive Company Consolidation