Combining and putting that information in the context of their project needs is an additional challenge.
合并并按项目的需要归类信息是一个额外的负担。
2
Combining those techniques with judicious use of additional indexes is the two-pronged performance-tuning approach that is most likely to get you where you want to go.
结合那些技术，并谨慎使用额外索引是有两手准备的性能调优方案，最有可能实现您的目标的。
3
The article in the Journal of Neuroscience (Sept. 22, 2010) is titled "Enhancing Perceptual Learning by Combining Practice with Additional Sensory Stimulation."