The top layer should now point down to the layer beneath.
顶部图层应当指向下面的图层。
Orders came down the line from the very top.
命令从最高领导人逐级传达下来。
When I looked down from the top floor, I felt giddy.
我从顶楼朝下看时感到头晕目眩。
They put down wooden boards, and laid new carpets on top.
他们安装了木地板，还在上面铺了新地毯。
She decided to start picking up the house from the top down.
她决定开始彻底收拾那房子。
Arriving on top, he threw down his load, breathing in the pure, fresh air.
到了顶上，他放下担子，呼吸着纯净的清新空气。
When they get to the top, they put on their skis and ski down.
到达山顶后，他们就穿上滑雪板往下滑。
She put down the pen on the top of the pad.
她放下笔，搁在本子上。
I felt dizzy when I looked down from the top of the television tower.
当我从电视塔顶往下看时，我感到头晕目眩。
Visit the Top down application development feature.
访问自顶向下应用程序开发特性。
Top down mappings provide the most automatic process and require lesser knowledge of database management.
自顶向下映射提供了大部分的自动流程且需要较少的数据库管理知识。
However, it is rare for an architecture to be totally driven from the top down.
然而，很少有体系架构是完完全全的自顶向下的。
Starting top down - Business layer.
自顶向下——业务层。
Top-down analysis (through process modeling).
自顶向下分析(通过流程建模)。
He took down a dictionary from the top shelf.
他从书架顶格拿下了一本词典。
This is known as the Top Down or Skeleton scenario.
这被认为是自顶向下或者框架的方案。
Clearly, a purely top-down approach is not ideal in this scenario.
明显的是，纯粹的自顶向下的方法在此场景中也是不理想的。
They also agree the top-down approach requires much more business involvement.
他们也认同自顶向下的方法需要更多业务的介入。
This is known as the Skeleton or Top Down Scenario.
这被认为是框架或者自顶向下方案。
The top-down approach is to implement the data warehouse in a single project phase.
自顶向下的方法就是在单个项目阶段中实现数据仓库。
Tune in next week as we count down the top ten songs of the week.
下星期同一时间，请收听我们的每周十大金曲排行榜。
The example in this article follows a top-down approach.
本文中的示例遵循自顶向下的方法。
But you simply can't rush in with top-down solutions in such a situation.
但在这种情况下，根本不能匆促地采取自上而下的解决方法。
Now, let's take a look at the top-down approach from a logical perspective.
现在，让我们从逻辑的角度来研究自顶向下方法。
Figure 2 illustrates how requirements are traced from the top level down.
图2阐述了从高层次到低层次需求是如何被追踪的。
The example shown in Figure 2 is typical for a project being driven top-down.
图2 中显示的例子是一个典型的自上而下驱动的项目。
Mark down your top three priorities for the day. Everything else should be secondary.
写下一天中最需要做的三件事，剩下的事情都在其次。
Mark down your top three priorities for the day. Everything else should be secondary.
写下一天中最需要做的三件事，剩下的事情都在其次。
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