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🔢 数字序列生成器Number Sequence Generator
按起始值、结束值和步长生成数字序列（等差/等比），可加前后缀和补零，批量编号必备。Generate arithmetic/geometric number sequences with prefix/suffix and zero-padding.
使用说明与常见问题How-to & FAQ
「数字序列生成器」是什么？What is the Number Sequence Generator?
按起始值、结束值和步长生成数字序列（等差/等比），可加前后缀和补零，批量编号必备。Generate arithmetic/geometric number sequences with prefix/suffix and zero-padding.
如何使用「数字序列生成器」？How do I use the Number Sequence Generator?
在「数字序列生成器」中，填写「起始」、「结束」、「步长/公比」、「类型」、「补零位数」等参数，结果会随输入实时计算并显示在下方。In the Number Sequence Generator: Fill in "Start", "End", "Step / ratio", "Type", "Zero-pad width"; results are recalculated instantly as you type.
「随机打乱」是真随机吗？Is the shuffle truly random?
选择「随机打乱」时，序列用 Fisher–Yates 算法配合浏览器的 crypto.getRandomValues（密码学安全随机数）打乱；默认按顺序输出，不涉及随机。When “Shuffled” is selected the sequence is shuffled with Fisher–Yates using crypto.getRandomValues (cryptographically secure). The default order involves no randomness.
「数字序列生成器」免费吗？需要注册吗？Is the Number Sequence Generator free? Do I need an account?
「数字序列生成器」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 Number Sequence Generator is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.