Without an index, this query takes 15 seconds. To accelerate it, we can create a B-Tree index on timestamp.
+ free $20 Amazon gift card，这一点在黑料中也有详细论述
Resolution: 1920x1080 (3840x1080 for 3D)。谷歌是该领域的重要参考
This article originally appeared on Engadget at https://www.engadget.com/home/home-theater/soundcore-nebula-p1i-projector-review-an-affordable-option-with-accurate-color-and-loud-sound-180034925.html?src=rss，更多细节参见超级权重