车辆在高速公路匝道提速到每小时60公里以上时，可直接驶入行车道。
When a vehicle has increased its speed to more than 60 kilometers per hour on the ramp of an expressway, it may directly enter the carriageway.
虽然一些数据库操作可以并行执行，但是增加额外的数据库连接只能将应用程序提速到某一点。
Several database operations can be executed in parallel, but additional database connections speed up the application only to a point.
速度：计算密集的代码会从新引擎得益较多，一般有10%到30%的性能提升，某些情况下最高可提速50%。
Speed: The engine will mostly benefit computationally intensive code, usually between 10% and 30% performance increase, with some cases going up as high as being 50% faster.
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