This paper gives some relation of U. S. C. and L. S. C. of set-valued mappings with closed and open property of image.

本文给出了集值映射的上半连续性和下半连续性同图象的闭性和开性间的一些关系。

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Two switches will automatically be set to indicate full open and full closed positions.

将自动设置两个开关来指示全开和全闭位置。

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Two switches will automatically be set to indicate full open and full closed positions.

将自动设置两个开关来指示全开和全闭位置。

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