The command USES the — dataswitch to tell arq which data to use as input.
命令使用——data开关来告诉arq,哪个数据用作输入。
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Secondly, we designed the module in detail around TMS320C32, the core of control system, such as external storage module, PC-DSP dataswitch module, D/A output module.
The background graph is what is specified by a query's FROM clause, by the sparql command's — dataswitch, or by passing a model to QueryExecutionFactory.create when using Jena's API.