Negative values in the date component represent dates prior to the basedate.
日期部分是负值表示在基准日期之前的日期。
2
References in the Contract to published standards shall be understood to be references to the edition applicable on the BaseDate, unless stated otherwise.
除非另有说明，合同中提到的各项已公布标准应视为在基准日期适用的版本。
3
But the surge in inflation is largely down to "base effects" that pre-date quantitative easing.