为了获取在大容量表中查询的合理的响应时间，最好为某列或者列组合定义索引。
To get reasonable response times for queries on large tables, it is a best practice to define indexes for certain columns or combination of columns.
图片越多，组合就更花时间，而且更加复杂，所以合理地选择你的曝光数量。
The more you have, the longer it will take to combine and the more complicated it will become, so choose your number of exposures wisely.
通过工作时间的合理分配，优化待分析样品的组合，保持合理的分析周期。
By rationalize time allocation, optimizing combination the samples in hand, to keeping the reasonable lead time.
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