查询词典 call the roll

I'm going to call the roll.

我要开点名了。

Now I'll call the roll.

现在我要点名了。

I'll call the roll now.

我要开始点名了。

Now I'll call the roll .

现在我点名了。

First, I will call the roll.

首先，我要点名。

Now I'm going to call the roll⑨.

现在我要点名了。

I don't know if professor have call the roll ?

我不知道教授是不是已经点了名？

I don't know whether the professor have call the roll or not.

我不知道教授是不是已经点了名？

I don't know the professor call the roll or not.

我不知道教授是不是已经点了名？

I don't know whether the professor call the roll or not.

我不知道教授是不是已经点了名？

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。