第一阶段计划在2013年完工，地铁线路将从哈莱姆第125号大街延伸至曼哈顿下城的汉诺威广场，共计16个新站。
The first phase should be completed by 2013, and the line will eventually extend from Harlem's 125th Street to Lower Manhattan's Hanover Square, with 16 new stations.
让我们深入了解一下您可能在计划阶段所遇到的问题。
Let's take a closer look at the issues you will likely have to address during the Plan phase.
由于DB 2优化器在准备阶段不知道参数标记的值，因此生成了一个在所有情况下都不是最优的万能(one - size - fits - all)访问计划。
Because the DB2 optimizer does not know the values of the parameter markers in the prepare phase, a one-size-fits-all access plan is generated that cannot be optimal in all cases.
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