📻 周/时 ↔ 菲涅耳（精确 THz）Cycle per hour to Fresnel (= THz exact)
周/时与菲涅耳（精确 THz）互算（1 cph X = 2.777777778e-16 fresnel X）。本地换算，附常用相关单位。Convert cycle per hour and fresnel (= THz exact) (1 cph X = 2.777777778e-16 fresnel X). Runs locally with related units.
点击任意一行可复制该结果；小于 0.0001 或不小于 10¹⁵ 的数值用 × 10ⁿ 科学计数法显示Click any row to copy that result. Values below 0.0001 or at least 10¹⁵ are shown in × 10ⁿ notation
使用说明与常见问题How-to & FAQ
「周/时 ↔ 菲涅耳（精确 THz）」是什么？What is the Cycle per hour to Fresnel (= THz exact) tool?
周/时与菲涅耳（精确 THz）互算（1 cph X = 2.777777778e-16 fresnel X）。本地换算，附常用相关单位。Convert cycle per hour and fresnel (= THz exact) (1 cph X = 2.777777778e-16 fresnel X). Runs locally with related units.
如何使用「周/时 ↔ 菲涅耳（精确 THz）」？How do I use the Cycle per hour to Fresnel (= THz exact) tool?
在「周/时 ↔ 菲涅耳（精确 THz）」中输入数值并选择原单位，表格会同时列出换算到所有其他单位的结果，可一键复制。Enter a value in the Cycle per hour to Fresnel (= THz exact) and choose the source unit; the table shows the value in every other unit at once, ready to copy.
1 周/时等于多少菲涅耳（精确 THz）？How many fresnel (= THz exact) in 1 cycle per hour?
1 cph X = 2.777777778e-16 fresnel X（按国际定义系数）。1 cph X = 2.777777778e-16 fresnel X (international definition).
如何把周/时换算成菲涅耳（精确 THz）？How do I convert cycle per hour to fresnel (= THz exact)?
结果 = 数值 × 2.777777778e-16。例如 3.6e+15 cph X = 1 fresnel X。result = value × 2.777777778e-16. Example: 3.6e+15 cph X = 1 fresnel X.
周/时/菲涅耳（精确 THz）属于哪类单位？What kind of units are cycle per hour/fresnel (= THz exact)?
二者同属「频率」量纲，可安全互算。Both are frequency units.
「周/时 ↔ 菲涅耳（精确 THz）」免费吗？需要注册吗？Is the Cycle per hour to Fresnel (= THz exact) free? Do I need an account?
「周/时 ↔ 菲涅耳（精确 THz）」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 Cycle per hour to Fresnel (= THz exact) is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.