建议参照采用UIC（国际铁路联盟）规程。
The UIC(International Union of Railwaya)Code is suggested to be referred to.
这些需作校正计算的杂质，通常以主成分为参照采用相对保留时间定位，其数值一并载人各品种项下。
Such impurities requiring calibration calculation normally use main component as reference and use relative retention time for orientation, such value are to be recorded under each type.
根据本标准，所有老化试验的参照品必须包括采用的试验循环周期的完整说明。
All references to exposures in accordance with this practice must include a complete description of the test cycle used.
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