如果可能更新坐标列，但是源表包含一个时间戳列，其中记录了每行最后一次更新的时间，那么仍然可以避免批量复制。
If updates to the coordinate columns are possible, you may still be able to avoid bulk copies if the source table contains a time stamp column that records the time of last update for each row.
其间采用了坐标直接编码，复制时加最优个体保护法，分布式搜索，启发式变异。
Coordinate direct code design, super gene protection, distributed search and guide variation are adopted.
其间采用了坐标直接编码，复制时加最优个体保护法，分布式搜索，启发式变异。
Coordinate direct code design, super gene protection, distributed search and guide variation are adopted.
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