One of the first things you should decide when designing your data acquisition system is whether you're going to use traditional external instruments, such as a multimeter.
在设计数据采集系统之前，我们应首先确定是否要使用传统仪器，如万用表。
One of the automatic messages emitted by the plane indicates it was receiving incorrect speed information from the external monitoring instruments, which could destabilise the control systems.
一则在飞机失事前自动发出的讯息表明当时飞机接收到了来自外部速度传感器的错误信息，正是这个错误的信息导致了飞机的失控。
This paper analyses on the influencing factors of external electromagnet interference on weighting display instruments and their origin, and puts forward some corresponding anti-interference measures.
分析了外界电磁干扰对称重显示仪表的影响因素及其来源，提出了相应的抗干扰措施。
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