Any dating system that simply counted days from the first of the year and used just two Numbers for the year might have been vulnerable.
任何记载日期的系统，如果只是简单地从每年的第一天开始计算天数，并且仅仅使用两位数字表示年份，那也许就是脆弱的。
There is no uniform or universally accepted system used for food dating in the United States.
在美国，目前还没有一个统一或广为接受的系统来为食品制定有效期。
The first legitimate acronym seems to be a word abjad dating from 1793 refers to a system of notation using the letters of the Arabic alphabet instead of numbers.
最早可称为缩略语的词似乎是1793年的abjad（辅音音素文字），指的是一种用阿拉伯字母代替数字的书写系统。
It has roots in the Berkeley Fast File System (dating back to the 1980s).
它来源于Berkeley快速文件系统(可以追溯到20世纪80年代)。
Writing, on the other hand, appeared to come much later, with the earliest records of a pictographic writing system dating back to just 5000 years ago.
另一方面，书写似乎出现的时间更晚，关于象形文字书写系统最早的记录只能追溯到5000年前。
With an underground train system in part dating back to the 1860s, most of the city's commuters would agree.
本市的大多数通勤者也都这么认为，因为作为交通方式的一部分的地铁系统得追溯到19世纪60年代了。
Based on the satellite images, combined with field surveys and thermoluminescence dating of Quaternary sediments, the authors explain and analyze the step-like landform system of the Gonghe basin.
利用卫星遥感影像，结合实地调查和测年结果，对共和盆地层状地貌系统进行了解译、分析。
As you discover the SpeedDating for Marriage system and its skills, you'll learn there's a pace to dating that weeds out most potential GONEs within a matter of a few dates.
恋爱速成结婚系列和技巧中，你学到一个恋爱步骤---在很少几次约会后，把最有可能的无效纠缠者拔除。
As you discover the SpeedDating for Marriage system and its skills, you'll learn there's a pace to dating that weeds out most potential GONEs within a matter of a few dates.
恋爱速成结婚系列和技巧中，你学到一个恋爱步骤---在很少几次约会后，把最有可能的无效纠缠者拔除。
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