锄足蟾

A desert spadefoot frog surfaces with a wary stare at Australia's Alice Springs Desert Park.

一只沙漠中的锄足蟾露出沙面，警惕地盯着澳大利亚的爱丽丝泉沙漠公园。

Desert Spadefoot Frog, Australia, 1999

沙漠中的锄足蟾，澳大利亚，1999

July 7, 2001Desert Spadefoot Frog, Australia, 1999A desert spadefoot frog surfaces with a wary stare at Australia's Alice Springs Desert Park.

July 7， 2001-沙漠锄足蟾，澳大利亚1999；澳大利亚的埃里斯春天沙漠公园里一只沙漠锄足蟾露出机警的眼睛。

Comments on the taxonomy of pelobatid toads of genus Leptolalaxwith description of a new species.

中国锄足蟾科掌突蟾属的分类探讨暨一新种描述(Amphibia：Pelobatidae)。

Five new pelobatid toads from China J .

中国锄足蟾科五个新种。

The species of Pelobatidae are very rich in our nation and have being focused on by inside and outside researchers, particularly on the study of its sperm morphology.

我国是锄足蟾物种最丰富的国家，国内外学者对其研究极为重视，非常关注对该科精子的系统研究。

Pelobatidae is very importance in the phylogeny of anurans, but the phylogenetic relationships and taxology of this family (including subfamily, genus and subgenus )have yet produced long-time conflicting viewpoint among different researchers both domestic and abroad.

锄足蟾科在无尾两栖类的系统进化中处于极其重要的地位，长期来对该科各亚科、属、亚属的划分以及系统发育关系等问题，国内外学者尚存分歧意见。

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。