仪器上的符号表示表面可能发热，避免人员接触，以防烫伤。
The symbol on an instrument shows that the surface might be hot. Avoid personal contact to prevent burns.
仪器上的符号表示用户需要参考手册中的操作说明。
The symbol on an instrument indicates that the user should refer to the operating instructions located in the manual.
仪器上的符号表示可提供或测量1000V或更高的电压，包括常模和共模的组合效应。
The symbol on an instrument shows that it can source or measure 1000 volts or more, including the combined effect of normal and common mode voltages.
钟表业。测时仪器。控制位置的符号表示。
Horology. Timekeeping instruments. Symbolization of control positions.
我先采用一个简单的定义：计算机是一个根据规则处理符号表征的仪器。
I shall instead assume the following rough definition of what a computer is: it is a device which processes representations according to rules.
我先采用一个简单的定义：计算机是一个根据规则处理符号表征的仪器。
I shall instead assume the following rough definition of what a computer is: it is a device which processes representations according to rules.
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