hydrographic condition meaning in Chinese

水文条件
水文状况
水域情形

Afcd acting senior wetland and fauna conservation officer mr simon chan said today ( december 22 ) , " we will release the baby turtles to the sea about eight months later in the next nesting season when the sea water is warmer and hydrographic conditions permit . " green turtles usually come to nest from early june to the end of august
渔护署署理高级湿地及动物护理主任陈坚峰今日（十二月二十二日）表示：我们会在大约八个月后，即下一个产卵季节时，待海水回暖和水流情况许可时，便会把小海龟放返大海。
Road researchers are worldwidely interested to it . this advantage technology is being introduced into china now . not all that americans did in shrp are suitable to china . one of the reasons is that the shrp ' s equipments are expensive , another is that there are many differences between usa ' s climate , hydrographic conditions , geologic conditions , esal ' s , materials and china ' s . we should assimilate shrp ' s method and improve it according to china ' s facts
由于shrp设备昂贵，中国的气候、水文、地质情况、交通情况以及路用材料等都与美国有所不同，这就决定了我们在引进superpave设计方法时不能完全照搬，而要着重放在消化和吸收其先进的设计思想和研究成果，并结合中国国情加以改进，使之更适合中国的工程实际。