A.水尺零點(diǎn)B.測(cè)站基面C.基本水準(zhǔn)點(diǎn)D.校核水準(zhǔn)點(diǎn)
A.2B.3C.5D.10
A.上下游水位過(guò)程線對(duì)照B.特征水位沿河長(zhǎng)演變圖檢查C.上下游水位傳播時(shí)間規(guī)律檢查D.上下游水位相關(guān)圖檢查