问题
问答题
水力学法基本假定（）
答案
参考答案：
坝体为均质，坝内各点在各方向的渗透系数相同；渗透水流为二元稳定层流状态，符合达西定律；渗透水流是渐变的，任一铅直过水断面内各点的渗透坡降和流速相等。
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水力学法基本假定（）
参考答案：
坝体为均质，坝内各点在各方向的渗透系数相同；渗透水流为二元稳定层流状态，符合达西定律；渗透水流是渐变的，任一铅直过水断面内各点的渗透坡降和流速相等。
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| It rained in the country those days. It was very 1 everywhere. Classes in the morning were over and the children of about 5 to 6 years old 2 around Mrs. Brown, the teacher, and waited. Five minutes later she finished putting the 36th boot on the 3 pair of little feet. All the children left except (除了)the smallest one. Now she had a look at her 4 , it was five past twelve. Her daughter was waiting for her at the school gate. She said she was going to take her to a 5 at noon, the little girl came to school without breakfast. 6 she was anxious (焦急的)to finish the last pair. They were for little Johnny Smith, a quiet boy. Mrs. Brown had a very 7 time getting his boots on as they were a bit too small for his growing feet, but she finally succeeded (成功). To her dismay (沮丧), little Johnny looked at her 8 and said, "Teacher, these boots aren't mine." In a hurry, but wanting to be 9 Mrs. Brown groaned (呻吟) and took them off. But at that moment Johnny continued,"They 're my little brother 's. Mine are broken and Mummy had no time to 10 them this morning, so she told me to wear them to school today." | ||||
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