These sections of rocks are dissected, using a laser, into slices a millimeter or less thick.

采用激光将这些小岩石块切分成一毫米或更薄的薄片。

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It can make fine visual distinctions because it is blessed with one million cones per square millimeter in its retina.

它的视网膜上每平方毫米有一百万个视锥细胞，所以它能分辨出很细微的视觉差别。

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Nanocrystals, also known as quantum dots, are semiconducting particles with a diameter of a few millionths of a millimeter.

纳米晶体，也被称为量子点，是一种直径只有百万分之一毫米的半导体粒子。

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The layers are very thin-usually one-fifth or one-tenth of a millimeter.

VOA: special.2010.10.29

The gap could be about one ten-thousandths of a millimeter wide.

这个缝隙大约只有0.1微米那么宽

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We didn't have that in the eight-millimeter days. We had to lug a projector, we had to plug it in to somebody's wall, put up a screen and show it to someone patient enough to sit there for five minutes and watch.

VOA: special.2011.06.20

These are the clear, cylindrical scanners using millimeter wave technology and sold by L-3 Communications.

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Transmissions In the millimeter wave band are easily absorbed by rain drops, humidity has significant impact.

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Instead of X-ray scanners, European airports will use millimeter-wave scanners that utilize low-energy radio waves.

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