Cortical microtubules were observed in intraepidermal cells of onion bulb with a thin section and negative staining of protoplasts.

洋葱鳞茎表皮细胞内可见皮层微管，呈薄片状，原生质体染色阴性。

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Fixed section bearings form one group of thin section bearings.

固定型轴承形成一组薄型轴承。

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Cortical microtubules were observed in intraepidermal cells of onion bulb with thin section and negative staining of protoplasts.

用超薄切片和原生质体负染的方法，在电镜下观察到洋葱鳞茎内表皮细胞周质微管的存在。

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Back at his lab at the University of Wisconsin, Tyler sliced a thin section of the stone and placed it under a microscope.

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Cut the long piece of skirt steak into 3- to 4-inch sections, then cut each section into thin strips across the grain (that is, in line with the full length of the skirt steak).

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