Then, several suggested selective methods for the core books on two stages, the elementary and secondary selection were presented.

然后，从初选和复选两个层面，提供了选择核心图书的几种方法。

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Modifying the contents of a secondary drop-down box based on a selection made in the first.

基于第一个下拉框中所做的选择来修改第二个下拉框的内容。

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Selection of the primary and secondary airflow rate, the guide Angle of the blade, the primary air ratio as well as the material for manufacture of the burner nozzle are given.

然后介绍了一、二次风速，旋流叶片的导角，一次空气比例系数等参数的选择及制造烧嘴的材料。

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Former education minister Martin McGuinness had moved to abolish the current secondary level education selection system hours before he left office in October last year.

BBC: NEWS | UK | Northern Ireland | Minister receives 11-plus report

The team drafted cornerback Johnthan Banks and acquired veterans Darrelle Revis and Dashon Goldson to help shore up the secondary, while Means and fourth-round selection Akeem Spence have been brought in to help out on the defensive line.

WSJ: Bucs have high hopes for rookie DE Steven Means

Natural selection thrives on both competition and cooperation, but cooperation has been proven secondary, and is highly specific to contexts, usually external demands for establishing better survival chances.

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