If you define a primary key for a table in your database, you can relate that table to other tables, thus reducing the need for redundant data.
如果为数据库中的某个表定义了主键，则可将该表与其他表相关，从而减少对冗余数据的需要。
Data compression algorithm removes redundant data using the data correlation, and is dramatically significant for reducing energy consumption.
数据压缩算法利用数据间的相关性去除冗余数据，对降低网络通信能耗具有十分重要的意义。
In surface reconstruction, due to high density of data obtained from laser scanner, these data still contain a great deal of redundant data after reducing noise error.
在曲面重构中，由于激光法测量的数据密度比较大，对噪声点处理后，数据中仍包含大量的冗余数据。
In surface reconstruction, due to high density of data obtained from laser scanner, these data still contain a great deal of redundant data after reducing noise error.
在曲面重构中，由于激光法测量的数据密度比较大，对噪声点处理后，数据中仍包含大量的冗余数据。
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