The infrared transmission module of an on-board breakdown diagnostics system is researched.

研究车载故障诊断系统中的红外传输模块。

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The researchers examined the prevailing inspection system called On-Board Diagnostics II (OBD-II), which tests for excessive carbon monoxide, hydrocarbons, and nitrogen oxides, and also checks the power-train systems for problems that might eventually lead to elevated emissions levels.

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