| 摘要 |
PURPOSE:To facilitate an easy operation of an operator by displaying the explaining sentence of a key word even in case the operator is unable to understand the key word and supplies it in a general word. CONSTITUTION:A pointer 44 of a general word 'switch' 42 is showing the relevant key word 'main switch' 32 even in case an operator supplies the 'switch' 42 without understanding the key word 'main switch' 32 in an explaining sentence. Thus the sentence 'lower right switch' 33 of the 'main switch' 32 can be displayed to the operator. The explaining sentence 33 of the keyword 32 is naturally displayed to the operator in case the operator can understand the key word 32 and supplies it. Thus it is possible to obtain the definite explanation of the relevant word even though the operator cannot understand the key word and it is supplied in a general word.
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