📄 文本摘要（抽取式）Text Summarizer (Extractive)
按词频选出最重要的句子（非生成式 AI）。本地处理。可设置「句子数」。Pick top sentences by word frequency (extractive, not generative AI). Processed locally. Settings: Sentences.
使用说明与常见问题How-to & FAQ
「文本摘要（抽取式）」是什么？What is the Text Summarizer (Extractive) tool?
按词频选出最重要的句子（非生成式 AI）。本地处理。可设置「句子数」。Pick top sentences by word frequency (extractive, not generative AI). Processed locally. Settings: Sentences.
如何使用「文本摘要（抽取式）」？How do I use the Text Summarizer (Extractive) tool?
在「文本摘要（抽取式）」中，把内容粘贴或输入到上方输入框，按需设置「句子数」，结果会实时显示在下方，点击「复制结果」即可复制。例如输入「hi」，得到「hi」。In the Text Summarizer (Extractive): Paste or type into the input box, adjust "Sentences"; the result appears below instantly — click "Copy result" to copy it. Example: "hi" → "hi".
是 AI 吗？AI?
不是。按词频选句，不调用云端模型。No — word-frequency extractive; no cloud model.
中文和短文本？Chinese and short text?
中文按 。！？； 分句；如果没有足够长的句子，会原样返回文本而不是报错。Chinese text is split at the Chinese full stop, exclamation mark, question mark and semicolon. If no sentence is long enough, the text is returned as is instead of an error.
输入和输出是什么样的？What does the input and output look like?
例如在「文本摘要（抽取式）」中输入 Alpha metal is used in industry. Beta papers mention Alpha often. Gamma is filler weather…，「句子数」设为 2，输出为：Beta papers mention Alpha often. ⏎ ⏎ Alpha and Beta form a useful pair.（⏎ 表示换行）。For example, the Text Summarizer (Extractive) turns the input Alpha metal is used in industry. Beta papers mention Alpha often. Gamma is filler weather…, "Sentences" set to 2 into: Beta papers mention Alpha often. ⏎ ⏎ Alpha and Beta form a useful pair. (⏎ marks a line break).
有哪些选项可以调整？What options can I adjust?
「文本摘要（抽取式）」的设置：「句子数」默认 3。每次生成结果都按当前设置处理。Settings in the Text Summarizer (Extractive) — "Sentences" default 3. The result always uses the current settings.
处理大段文本会卡吗？Can it handle long text?
「文本摘要（抽取式）」在浏览器中直接处理，几 MB 以内的文本通常瞬间完成；文本不会离开你的设备。The Text Summarizer (Extractive) runs in your browser; text up to a few MB is usually processed instantly and never leaves your device.
「文本摘要（抽取式）」免费吗？需要注册吗？Is the Text Summarizer (Extractive) free? Do I need an account?
「文本摘要（抽取式）」完全免费，无需注册或安装，打开网页即可使用，手机和电脑都能用；输入的内容只在你的浏览器本地处理。The Text Summarizer (Extractive) is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.