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【简答题】
用黄海平均海水面作为高程基准面得出的高程称为 高程(黄海高程系统) 。
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
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【单选题】听力原文：M: Hi. I have a reservation for tonight. W: And your name? M: It's Nelson. Charles Nelson. W: Okay. Mr. Nelson. That's a room for five, and... M: Excuse me? You mean a room for five dollars? I di...
A.
The hotel confused him with another guest.
B.
Rooms are overbooked for that evening.
C.
There are no more rooms available for five people.
D.
The price for the room is more than he expected.
【单选题】听力原文：M: Hi. I have a reservation for tonight. W: And your name? M: It's Nelson. Charles Nelson. W: Okay. Mr. Nelson. That's a room for five, and ... M: Excuse me? Do you mean a room for five dollars? ...
A.
Rooms were overbooked for that evening.
B.
The hotel clerk confused him with another guest.
C.
There were no more rooms available for five people.
D.
The price for the room was higher than he expected.
【多选题】下面关于矢量模型和栅格模型优点缺点比较正确的是( )。
A.
矢量模型数据量要大于栅格模型
B.
矢量模型数据输入采用手工数字化、野外实测，而栅格模型数据输入则采用扫描、遥感手段
C.
矢量模型适用大比例、边界明确的事物，栅格模型适用于小比例、边界模糊的事物
D.
矢量模型位置精度低于栅格模型
E.
栅格模型位置精度高于矢量模型
【单选题】听力原文： M: Hi. I have a reservation for tonight. W: And your name? M: It's Nelson. Charles Nelson. W: Okay. Mr. Nelson. That's a room for five, and… M: Excuse me? You mean a room for five dollars? I did...
A.
The price for the room is more than he expected.
B.
Rooms are overbooked for that evening.
C.
There are no more rooms available for five people.
D.
The hotel confused him with another guest.
【简答题】比较层次模型、网状模型和关系模型的优缺点。
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