The first thing to think about when designing a solid exception-handling scheme is the abstraction of what I call low-level or system-level exceptions.

在设计可靠的异常处理方案时，要考虑的第一件事情就是对所谓的 低级或 系统级异常进行抽象化。

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The sample handling system should control the sample pressure and remove solid and liquids to ensure the sample presented to the gas chromatograph is clean and dry.

样品处理系统应控制样品压力和去除固体和液体，以确保呈现给气相色谱仪样品是清洁和干燥。

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With rich reserve of talents and solid funds and right of handling import and export, it has acquired ISO9001 Quality System Certification.

人才储备丰富，资金力量雄厚，通过ISO9001质量体系认证，具有进出口权。

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