First of all, there are Arabic numerals automatically added in the document.

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Right-click the number and select "Chinese Style" from the number drop-down menu.

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After the setting is completed, all the numbers will be changed to Chinese style with brackets.

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If you choose the definition under Number, you can set more new number formats.

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The interface for defining the new numbering format is as follows. You can choose different styles and alignment through the drop-down menu.

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For example, we choose English numbering format (Roman numerals may be more commonly used in papers).

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After the operation, the Chinese original text in brackets becomes the corresponding English serial number.

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