英 [ˌspiːʃɪˈeɪʃ(ə)n; ˌspiːs-] 美 [ˌspisiˈeʃən]
n. [进化] 物种形成
speciation /ˌspiːʃɪˈeɪʃən/
名词 the evolutionary development of a biological species, as by geographical isolation of a group of individuals from the main stock 物种形成
the evolution of a biological species
形态-引用次数：221
Accompanying anions (OAC-, NO3-) had influence on the chemical speciation and transformation process of heavy metals complicatly as the time went on.
陪伴阴离子(OAC-、NO3-)对土壤中的重金属赋存形态随时间变化的影响比较复杂。
物种形成
形态-引用次数：147
Speciation analysis of trace elements is new subject.
元素的形态分析是一新兴研究课题。
参考来源无机态金属元素的分离与价态分析
种态-引用次数：2
In this work, a novel comprehensive approach was developed to evaluated selenium speciation in selenium-enriched yeast.
本文提出了一种新颖的、系统的、全面的对富硒酵母中硒化学种态的研究方法。
参考来源富硒酵母中硒的种态分析
种别形成
种形成
物种形成
线系成种
物种形成
形态分析
... soybean大豆 蚱谀 speciation物种的形成 邈恋 species物种 趧礀 ...
The question is not regarding the validity of speciation.
这个问题与物种形成论的正确性无关。
This is closer to biology, especially with speciation, how two distinct species form from one.
它更接近生物，尤其是物种的形成，也就是一个物种如何形成两个截然不同的物种。
This division set the stage for allopatric speciation among populations of fishes and other marine species.
这种划分为鱼类和其他海洋物种的分区物种形成奠定了基础。
The dominant theory of speciation is that it results from a slow accumulation of genetic mutations.
In addition, there is growing circumstantial evidence for hybrid speciation in Ragoletis fruit flies, swordtail fish and African cichlid fish.
BBC: NEWS | Science/Nature | Two species become one in the lab
Boeke says that when more of the yeast genome is synthesized, researchers will be able to use the system to study evolution and speciation.