First, in the formula of your drop-down field, use this formula.

首先，在下拉列表字段的公式中，使用以下公式。

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Screen capture of a list of articles with a drop-down field to control the search radius.

具有下拉字段以控制搜索半径的文章列表的屏幕截图。

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NOTE: You might need to navigate to the database using the folder button to the right of the Application drop-down field as shown in figure 16.

注意：可能需要使用application下拉菜单右侧的folder按钮中导航到数据库，如图16所示。

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They turned tail, away they went over the hill and down into the field in wild disorder,and we after them.

VOA: special.2010.03.27

So, if instead you put your particle somewhere down here on the electric field, or on the wave, the electric field will now be in the other direction so your particle will be pushed the other way.

还有方向，所以如果,你把粒子放在这下面，电场的方向相反,粒子会朝另一个方向运动。

麻省理工公开课 - 化学原理课程节选

We show the field lines and we show them settling down into molecules.

便展现出区域中的线条,以及物质如何,分解成分子。

麻省理工公开课 - 媒体、教育、市场课程节选

McNabb looked down field, found Mitchell and connected, giving the Eagles a first down.

FORBES: Former NFL Star Pleads Guilty In Tax Fraud Case

Any possession the visitors secured they were happy to hoof down field, which meant Scotland were dominating territory and possession.

BBC: Scotland 6-9 Argentina

And the comeback was complete when Chelsea swept down field after a United attack and Ramires cut inside his man to beat De Gea with a precise left-footed finish.

CNN: March 10, 2013 -- Updated 1916 GMT (0316 HKT)