Indexes can really turbocharge DB2 query performance, but if you put too many on a table, you could end up with response time and throughput going in the wrong direction.
索引的确能增强DB 2查询性能，但如果一个表上放置太多索引，那么最终响应时间和流量将走向错误方向。
The relation of throughput with deviation is deduced under the polarized direction of polarizer and the direction of half wave plate's light axis deviating from ideal direction.
在考虑透射比的情况下，推导了偏振器偏振化方向及二分之一波片的光轴取向偏离理想方向时通量随偏角的变化关系，给出了最大调制度情形下的通量数值。
The relation of throughput with deviation is deduced under the polarized direction of polarizer and the direction of half wave plate's light axis deviating from ideal direction.
在考虑透射比的情况下，推导了偏振器偏振化方向及二分之一波片的光轴取向偏离理想方向时通量随偏角的变化关系，给出了最大调制度情形下的通量数值。
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