【简答题】默认情况下,超级用户和普通用户的登录提示符分别是: 及 。
【单选题】本文所讲的内容对通讯工程师来说是很有趣的。
A.
The content that this paper talks about is of great interest to communications engineers.
B.
The content that this paper discuss is very interest ing to communications engineers.
C.
What this paper discusses is of great interest to communications engineers.
【简答题】本文所讲的内容对通讯工程师来说是很有趣的。
【单选题】下列有关衡量传感器特性主要技术指标的描述不正确的有:
A.
分辨力指传感器能检出被测信号的最小变化量,当被测量的变化小于分辨力时,传感器对输入量的变化无任何反应。
C.
线性度是指系统标准输入输出特性与拟合直线的不一致程度,也称非线性误差。
D.
重复性是衡量测量结果分散性的指标,即系统误差大小的指标。
【简答题】妊娠_ _周末, B超可见胚胎心血管搏动。
【单选题】本文所讲的内容对通讯工程师来说是很有趣的。
A.
The content that this paper talks about is of great interest to communications engineers.
B.
What this paper discusses is of great interest to communications engineers.