例句與造句

1. Based on 2m contour of surveyed bathymetry from 1976 to 1999 and mean - high - tidal line distracted from remote sensing images acquired by landsat - 5 tm from 1976 to 2000 respectively , quantitative analysis about alluvion and erosion as well as the relationship between accretion of modern yellow river delta and the water and sediment discharge of yellow river is made , and the results indicate the mean - high - tidal level is more effective than 2m contour of the bathymetry . it is found that the accretion of modem yellow river delta is becoming less and less , what ' s more , erosion is even more than alluvion in some recent years . diaokou promontory has been eroded seriously since yellow river changed its course in1976
   以一般高潮線反映現(xiàn)代黃河三角洲沖淤演變時，從1976年黃河改道清水溝流路入海到2000年，整個黃洞三角洲凈造陸201 . 5km ~ 2 ，淤積有逐漸變慢的趨勢，甚至出現(xiàn)凈蝕退的年份；刁口河嘴大量蝕退，蝕退速率開始快速，后來逐漸變慢；清水溝河嘴大量淤積，淤積速率開始迅速，后來逐漸變慢，甚至出現(xiàn)凈蝕退；清水溝河嘴南側(cè)到支脈溝一段岸線與刁口河嘴以西到灣灣溝一段岸線基本穩(wěn)定。
2. It's difficult to find tidal line in a sentence. 用tidal line造句挺難的