象限性视野缺损多见于______以上的视路损害和病变。
参考答案：视交叉
The ______ look suggested that there must be something ______ around her.
A．scaring; scared
B．scared; scaring
C．scaring ; scaring
D．scared; scared
频率给定信号有哪几种设置方法？什么方法最简便精确？
