常見例句雙語例句Non - normal tide is a tidal phenomenon that occurs suddenly, lasts shortly, covers small area with much higher tidal level and gives little advanced warning.“異常潮位”是指潮位大大高于當時正常潮位，潮汐時間沒有明顯提前規(guī)律的一種突發(fā)性潮汐現(xiàn)象。Warning tidal level is the index of coastal water level, which issued for the preparation of the surge caused by typhoon when the coastal water level reaches the certain height.防潮警戒水位是指沿海地區(qū)發(fā)生風(fēng)暴潮，當?shù)爻蔽贿_到某一潮高時，須開始警戒并防備潮災(zāi)發(fā)生的指標水位值。It is suggested that when the data series for the new-built Yantian tidal station are long enough, the warning water level for storm-surge-prevention there should be checked and ratified again;建議當新建鹽田驗潮站驗潮資料序列足夠長時，應(yīng)重新核定所在岸段的防風(fēng)暴潮警戒潮位值； 返回 warning tidal level