集中监测系统校时点击菜单【工具】→【校核时钟】或工具条的【校时】按钮可以对()和终端进行校时。
参考答案:站机
By age 7 months, an infant most likely will develop which of the following motor skill
A.Walk with one hand held.
B.Eat successfully with a spoon.
C.Stand while holding onto furniture.
D.Sit alone using the hands for support.
采用的观测仪器要符合规范技术标准是()。
A.性能良好
B.检定合格
C.安装准确