碰巧

I came across him in the street yesterday.

昨天我碰巧在街上遇到了他。

I see this web page of you by chance.Maybe My leaving is an act of god.

我碰巧看到了你的网页可能我的离开是上帝指使。

I alight ed just the book I needed in the library.

我在图书馆碰巧遇上我正在找的那本书。

Anastasia:As it happens, so have I.

阿纳斯塔西亚：碰巧我也是。

I know the answer to your question as it happens.

我碰巧知道你那道问题的答案。

I saw him yesterday as it happens.

我昨天碰巧见到了他。

I just know the answer of your problem as it happens.

我碰巧知道你那道问题的答案。

I know the answer of that question as it happens.

我碰巧知道你那道问题的答案。

As it happens, I have left the book at home.

我碰巧把书忘在家里了。

This lucky is not exist, it's only occured as it happens.

这种运气是不存在的，只是碰巧发生了而已。

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。