互联网:

“.SMI”是“application/smil”的缩写，意思是

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“.SMIL”是“application/smil”的缩写，意思是

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“.SND”是“audio/basic”的缩写，意思是“音频/基础”

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“.SOL”是“application/solids”的缩写，意思是

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“.SPL”是“application/x-futuresplash”的缩写，意思是“

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“.SRC”是“application/x-wais-source”的缩写，意思是

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“.STEP”是“application/STEP”的缩写，意思是

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“.STL”是“application/SLA”的缩写，意思是“Application

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“.STP”是“application/STEP”的缩写，意思是

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“.SV4CPIO”是“application/x-sv4cpio”的缩写，意思是

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