单项选择题

A、正确
B、错误

<上一题目录下一题>

热门试题

问答题

码相位观测的误差比载波相位观测的误差（）。（填“大”、“小”或“相同”）

问答题

This may due to the fact that even from within the womb, babies are in contact with the outside world via the voices they hear and thus learning may even begin from here. ____________, their ability to experience and perceive objects whilst in the womb is impossible, which would explain their gradual development towards perceptual aspects of objects.

相关试题