From Chapter 3 to Chapter 6, the center-focus determination and bifurcation of the equator are studied for real planar odd polynomial differential systems.

在第三章至第六章，我们研究实平面奇数次多项式微分系统无穷远点(赤道)的中心焦点判定与赤道极限环分支。

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Chilung's Miaokou Night Market has an old temple at its center, but the main focus here is feasting.

基隆市庙口夜市的中心位置有一处古庙，但人们到此的目的还是享用美食。

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Now, focus into your Heart Center and just breathe into the Heart.

现在，聚焦在你的心轮，把呼吸带入到心轮。

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Digital Realty continued its acquisition spree during the quarter as part of its long-term investment objectives, which focus on investing in institutional-quality data center facilities in high-barrier-to-entry markets that have significant potential to generate attractive risk-adjusted ROI.

FORBES: Digital Realty Trust Builds Strong First Quarter Earnings

The original iPhone and the 3G (see top left and center above) featured a 2 megapixel fixed-focus camera.

FORBES: How Much Better Will The Camera On The iPhone 5S Be?

The political platforms of the center-left parties are halfhearted and almost entirely domestic in their focus.

NEWYORKER: The Party Faithful