Hói-pha̍t (Altitude) he mêu thi lâu phìn-kiûn hói-phìn-mien ke kô-thu chhâ, tô-sú sṳ̀ -hèu yung lòi kie-son, yû-sṳ̀ fi yung Yîn-chhak lòi kie-son.[1]

Hói-pha̍t.
  1. Wragg, David W. (1973). A Dictionary of Aviation (first pán.). Osprey. p. 34. ISBN 9780850451634.