An S-twist yarn is one in which the fibers follow a spiral pattern parallel to the center bar of the letter s.

捻的纱线中的纤维成螺旋状并与字母s中间的斜杠平行。

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The six — wavelengths pyrometers with six interference filters for effective wavelength defined and with optical fibers for beam split were developed by the U. S. and CEC scientists inl980's.

八十年代以来，美国及欧共体研制成采用干涉滤光片限定工作波长及带宽的六波长高温计，而分光采用光导纤维。

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S. exports to China in 2009 were oilseeds and grains, waste and scrap, semiconductors and electronic components, aircraft and parts, and resins and synthetic rubber and fibers (see Table 3).

2009年美国出口中国的前五类产品是油籽和谷物，废物和废料，半导体和电子零件，飞机及零部件，和树脂类(见表3)。

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The disease hinders development of the myelin sheath, a fatty covering that protects the brain's nerve fibers.

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Ingrid Johnson, a professor of textile development and marketing at the Fashion Institute of Technology, says today's synthetic fibers are smaller and softer than the polyester of yesteryear.

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Often, what's particularly new about these fibers is the way they're finished and dyed, she says.

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