该助推器将会燃烧大约60秒左右，使的工程师可以对它的性能可以进行证实与测试。
The booster will burn for about 60 seconds, enabling engineers to validate and test its performance.
性能度量的第二个用途是，判断调优是对系统性能有帮助，还是使它更糟糕了。
The second use of performance measurements is to determine if tuning has helped the situation or made it worse.
它使用缓冲技术，以取得更好的性能，并使滚动看上去更为流畅。
It USES buffering for better performance and also to make the scrolling smooth.
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