种的特征 meaning in English

species specificity

Breed standards come about as a result of history , function and arbitrary decision that some features make a breed - and some do not
犬种标准的形成是一个历史、功能以及对于是否属于这个犬种的特征的明辨的结果。
The est zymograms of the same species from same region have little differences and their similar degree is high , so form their own cluster first , and then form a big cluster with that from the different regions . the est zymograms of the different species of the same genus differ sharply , and the individuality of the same species , but generality of the same genus
但同种同一地理种群个体之间est同工酶酶谱差异较小，相似程度较高，先聚成一类，再同其他地理种群聚类聚成一大类；同属不同种间的est同工酶酶谱差异较大，具有种的特征，同时也具有同是一属的共性。