The ray's dorsal side, invisible in this image, is covered with a signature pattern of vivid spots.

由于角度的问题，斑点鹰魟那覆盖着标志性斑点图案的背部没办法看得到。

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There are many opportunities to decompose the system into a few parts and find a good signature pattern for each part.

有很多将系统分解为几部分并找出每个部分的好的签名模式的可能。

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When you consider subsets of the system, however, you can often find a signature pattern that works quite well for the subsystem.

不过，考虑系统的子集时，通常会发现对整个子系统都适用的签名模式。

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For instance, in the past several years, scientists have come to understand that a particular gene signature--a pattern of genes that are turned on and off--can be a powerful contributor to the disease Lupus, which causes swollen joints, fevers and rashes.

FORBES: Genentech's Next Act