拍開主題選單

Chú-ngó͘-sòaⁿ (子午線; Eng-bûn: meridian), iā hō-chò keng-sòaⁿ (經線), sī liân-kiat tē-kiû lióng-ke̍k ê ká-sióng sòaⁿ; tô͘-tiong ē kap chhiah-tō iáu-ū hūi-sòaⁿ ti̍t-kak sio-chhé.

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