Your data and the text index need to be explicitly synchronized if no update frequency is specified.
如果没有指定更新频率，那么需要显式地对数据和文本索引进行同步。
Describe their location, systems, access approaches, source data traffic and update frequency, data security, and data quality.
描述其位置、系统、访问方法、源数据流通和更新频率、数据安全性和数据质量。
There are two kinds of history data according to the update frequency: slow-update and fast-update history data.
根据更新频率而言，有两种历史数据：慢更新的和快更新的历史数据。
Absrtact: Tele - control database of power plant is characteristic of enormous data, fast update frequency and quasi real- time.
摘 要：电厂的远动数据库有数据量大、更新频率快、准实时的特点。
Absrtact: Tele - control database of power plant is characteristic of enormous data, fast update frequency and quasi real- time.
摘 要：电厂的远动数据库有数据量大、更新频率快、准实时的特点。
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