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His weight is double that of a decade ago.

他的体重是十年前的两倍了。

Then Jason told her that he ran into his old girlfriend,Alison Van Dyke, at the dry cleaners a couple of weeks ago.

于是詹森就告诉她，几个星期以前，他在干洗店遇到了他的前女友，艾莉森。

It is a good few years ago I wrote.

是我好几年前写的。

Some years ago, when I was a graduate student

几年前，当我还是一名研究生

I think I had glimmerings of this perception many years ago when I was a graduate student.

我想我是在多年前读研究生时有了这种想法的苗头。

She is waiting for a gust of wind which she fell in love with a long time ago.

今天她和我们分享了自己练习英语听力的方法。

Now, I'm a registered nurse and this was my bath not a half hour ago.

好了，现在我是个注册护士你现在是在我的浴缸里，不是一小时前在湖水里

IT is more than a hundred years ago!

这是一百多年以前的事情！

That was a hundred years ago, wasn't it?

那是一百年前的事了，不是吗？

A:It was a hundred years ago,wasn't it?

这是100年前的事了，对吗？

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。