Is there missing or incomplete data?
是否有缺失的或不完整的数据？
Absrtact: Rough set theory is a new mathematical tool to research imprecise and incomplete data.
摘要：粗糙集是用来处理不确定、不完备数据的重要工具之一。
When doing incomplete recovery, you have to make sure data files are online.
当执行不完全恢复时，您必须确保数据文件处于联机状态。
A string data that has a partial character can be called an incomplete string data.
可以将拥有部分字符的字符串数据称为不完整的字符串数据。
两个数据都不完整。
Data mining in incomplete information system is a hard problem but inevitable in uncertain decision.
不完备信息下的数据挖掘是一个难题，但它在实际决策中是不可避免的。
However, these financial data are often incomplete or difficult to obtain.
但是这些财务数据在很多时候并不完整或者很难获取。
However, these financial data are often incomplete or difficult to obtain.
但是这些财务数据在很多时候并不完整或者很难获取。
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