In optical character recognition, the insufficient horizontal spacing between characters.

在光学字符识别中，字符间水平间距不够的现象。

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Reductions of lattice spacing and force constants between atoms induce modifications in the band structures of solids and thus in electronic properties and optical properties.

晶格常数和原子间力常数的改变影响了相邻电子轨道的重合程度，引发电子能级和光学性质的变化。

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The invention relates to a light information storage media, which comprising a first basal plate, an optical shade layer, a spacing layer and a recording layer.

本发明是有关于一种光资讯储存媒体，包括一第一基板、一光学遮罩层、一间隔层以及一记录层。

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Though there is no reason to use Dr Knight's invention to replace existing optical fibres, it could, by varying the spacing of the air-filled tubes, make a handy filter allowing selected wavelengths (and the messages they carry) to enter or leave the waveguide while the others are contained.

ECONOMIST: New-age crystals