题目内容
（请给出正确答案）
[主观题]
What does the professor imply when he says this？A．At least 4 satellites can make 3D positi
What does the professor imply when he says this？
A．At least 4 satellites can make 3D position.
B．To make 3D position three satellites are enough.
C．At least 4 satellites can make 2D position.
D．The GPS receiver is very difficult to lock.
如搜索结果不匹配，请 联系老师 获取答案
