Duâi-dê Cháik-liòng-hŏk (大地測量學) sê Dê-giù Kuŏ-hŏk gâe̤ng Dê-cék-hŏk â-dā̤ gì siŏh cṳ̄ng ciŏng-muòng ngiĕng-géu gâe̤ng cháik-liòng Dê-giù hìng-cáung gâe̤ng īng-lĭk gì hŏk-kuŏ.
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