Bell Laboratories. For an in-depth look at research in neural networks, this site gives an excellent overview of some of the cutting-edge research that is happening today.

贝尔实验室。就深入观察神经网络研究而言，这网址提供了某些今日尖端科技的绝佳概况。

youdao

PMI's are a great bell-weather for the overall health of the economy, so data in Europe does not look good and is unlikely to lift pressure on the euro right now.

采购经理人指数是经济整体健康程度的晴雨表，所以，欧洲各个数据不佳，且不大可能减轻欧元目前承受的向下压力。

youdao

So the normal--the bell-shaped curve in that case for the x/n is going to look something like this.

那么x/n的钟形曲线,大概就会是这个样子

耶鲁公开课 - 金融市场课程节选

Hewlett-Packard announced a new look for its board of directors after the closing bell Thursday.

FORBES: Ray Lane Cedes Hewlett-Packard Chairmanship, Will Stay On Board