问题
问答题 简答题
什么是假定高程？
答案
参考答案：
按假设的高程基准所确定的高程为假定高程。
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什么是假定高程？
参考答案：
按假设的高程基准所确定的高程为假定高程。
| 从下面方框中选择一个适当短语填空，使句子意思完整，所选词组只用一次。 | |
2. He ________ and wants to relax. 3. I like doing sports, ______ playing chess, I don't like it. 4. Good health ________ good food, exercise and enough sleep. 5. My teacher is ill, we are all _______ him. |