graphical symbols

常见例句

Graphical symbols for heating, ventilating, and air conditioning.
供热，通风，空调用图形符号。
This paper also makes clear the special function of graphical symbols from historical development.
本文试图从图形符号的历史发展，明确其特有的作用。
On the other hand, the semantic of the graphical symbols in the background of construction structure field is used to control and direct the recognition of both kernel symbols and deduced symbols.
另一方面，用图形符号在建筑结构领域背景下的语义控制和指导核心符号与导出符号的识别。
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