Uranus is only a tiny spot in the sky.

天王星只是天空中的一个极微小的点。

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Laser beam can be focused on a very tiny spot.

激光光束可以聚集到一个很小的小点上。

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Step 4, try on some tiny spot to see how it works.

第四步，在小一点地方试擦看看是否可行。

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Instead of today's crude tools, the new gene-derived tests will help doctors spot tiny biochemical changes deep inside the body that presage the onset of myriad cancers, heart failure and other ills before symptoms appear.

FORBES: Divining Disease

Mutations are tiny, and difficult to spot without knowing in advance what mutations to look for.

BBC: 'Older fathers' link to schizophrenia

The key to cracking that nut is apparently the new thermal assisted optical element Fujitsu's developed, allowing for an ultra-tiny sub-hundred nanometer optical spot size, which in turn should enable recording on the one terabit (not byte, let's not get crazy here) per square inch level.

ENGADGET: Fujitsu building a bigger, smaller hard drive