🎄 圣诞树灯泡估算Christmas Tree Lights

使用说明与常见问题How-to & FAQ

「圣诞树灯泡估算」是什么？What is the Christmas Tree Lights tool?

灯泡约数 ≈ 树高(英尺) × 每英尺建议盏数。本地处理。可设置「树高 英尺」、「每英尺盏数」。Approx lights ≈ height(ft) × lights per foot. Processed locally. Settings: Height ft, Lights per foot.

如何使用「圣诞树灯泡估算」？How do I use the Christmas Tree Lights tool?

填写树高（英尺）和每英尺的灯数，即可得到大约需要的灯泡数量。结果会随输入实时更新。Enter the tree height in feet and the lights per foot to get the approximate number of lights you need. The result updates as you type.

米？Metres?

先把米换成英尺（×3.281）。Convert metres to feet (×3.281) first.

能举个计算实例吗？Can you show a worked example?

例如在「圣诞树灯泡估算」中填 树高 英尺 = 6，每英尺盏数 = 100，结果区显示：建议灯泡数：600For example, entering Height ft = 6, Lights per foot = 100 in the Christmas Tree Lights gives: Suggested lights: 600

哪些输入会被检查？Which inputs are validated?

「圣诞树灯泡估算」会检查这些输入——「树高 英尺」、「每英尺盏数」：必须填写，须大于 0；绝对值超过 10¹⁵ 的数也会被拒绝。不符合时结果区显示具体提示，不会给出数字。The Christmas Tree Lights checks its inputs — "Height ft", "Lights per foot": required, must be greater than 0; numbers above 10¹⁵ in absolute value are rejected too. When a value fails, the result area names the problem instead of showing a number.

有哪些选项可以调整？What options can I adjust?

「圣诞树灯泡估算」的设置：「树高 英尺」默认 6；「每英尺盏数」默认 100。每次生成结果都按当前设置处理。Settings in the Christmas Tree Lights — "Height ft" default 6; "Lights per foot" default 100. The result always uses the current settings.

手机上能用吗？Does it work on mobile?

可以。「圣诞树灯泡估算」支持触屏操作，在手机和平板浏览器中均可使用，无需安装 App。Yes. The Christmas Tree Lights supports touch input and works in mobile and tablet browsers without installing an app.

「圣诞树灯泡估算」免费吗？需要注册吗？Is the Christmas Tree Lights free? Do I need an account?

「圣诞树灯泡估算」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 Christmas Tree Lights is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.