为了监测微粒的成核、成长，DLS被用来测量不同反应时间下流体微粒的尺寸。
To examine the process of particle nucleation and growth, DLS was used to measure the hydrodynamic particle size at different reaction times.
不同反应时间样品的IR和XRD谱图分析表明，富铁铁酸钴是通过中间体绿锈形成的。
The samples obtained at different intervals during reaction were characterized by XRD and IR. The cobalt-bearing ferrites were produced through the green-rust intermediate phase.
StackExchange团队对性能问题非常关注——比方说，你可以看到StackOverflow在三个不同的等级上 使用caching，从而提升反应时间，减少服务器的负载。
The StackExchange team takes performance very seriously – for instance you can see how StackOverflow uses caching at three different levels to improve response times and reduce server loads.
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