查询词典 catalpas

After conducting research on the unearthed Chinese catalpas in 2002, heavy erosion can be found on those woods.

通过对2002年河南信阳长台关出土梓木的基本性能分析表明，出土梓木已遭受严重腐蚀。

But the good Qin does not come from the common wood of the phoenix trees and catalpas , but from the wood of over one hundred years old.

但一般的桐木和梓木是做不了好琴的，须用砍伐百年以上的木材。

Thus, we can see that Qin is made of phoenix trees and Chinese catalpas.

由此可见古琴是用桐木和梓木做成。

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。