n-species n物种
fission n species 裂变核类
n-species prey-competition dispersal systems n种群捕食
n species discrete model n种群离散模型
n-Species food chain systems n阶食物链系统
system of n-species communities n种群的群落系统
n-species Lotka-Volterra systems n阶Lotka
origin n of species 物种起源
But his team's analysis confirms that the latest "new" species of cat to be discovered actually comes in two forms, a Bornean subspecies N. d. borneensis and the Sumatran subspecies N. d. diardi.
而他的研究队的分析研究结果证实，最近发现的新品种存在两个类型-----婆罗州亚种和苏门答腊亚种。
Normal chromosome pairing between most species and n. Tabacum is rare.
大多数的种与红花间的正常染色配对是少见的。
Begonia species in China are mostly distributed S of Yangtze River, particularly concentrated in SE Yunnan and SW Guangxi, with only a few extended into N China.
国产秋海棠大多分布于长江以南，主要集中在云南的东南部和广西的西南部，少数种类分布于北方。
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