They found that, during periods of high nutrient levels, genetically distinct hybrid species emerged.
他们发现，经过一段时期的高营养水平环境，在遗传学上截然不同的杂交品种产生了。
Many species are similar enough that hybrid offspring are possible and may often occur in nature, but for the majority of species, this rule generally holds.
许多物种非常相似，因此有可能杂交繁衍出后代，而且这种情况可能经常在自然界中发生；但对于大多数物种来说，这一规则大体适用。
In a true hybrid, the genetic material from the two species is mingled at conception, with half the chromosomes coming from one parent and half from the other.
在实际的融合过程中，由两个物种的遗传物质在概念上是可交融的，染色体的一半来自父母一方，一半来自另一方。
If modern humans and Denisovan humans were separate species, their hybrid children probably wouldn't have been able to reproduce.
如果现代人与丹尼·索万人属于两个种类，他们混血的后代可能不具有生育能力。
But Paquette and Messier report that planting fast-growing hybrid poplar as nursemaid species to shelter slower-growing trees shows promising early results.
但Paquette和Messier报道说种植长速快的杂交白杨作为庇护长速慢的树木的保姆品种出现了令人惊讶的结果。
They may be polar opposites, but something is attracting two species of minke whales, producing at least one hybrid offspring, a new study says.
一项新的研究显示，两种分别生活正在南北极的小须鲸不知为何相会并生出一种混血鲸，而且可能不止生出了一头。
According to Baumann, A. tesselata is lucky: it appears to be descended from a union of two related species, giving it a hybrid vigor.
而鲍曼表示，a .tesselata是很幸运的：这种生物是两种有亲缘关系的物种的杂交后代，所以它有杂交优势。
This hybrid seemed to combine the properties of both parental species.
这个杂交品种似乎兼具两个亲本树种的特征。
This species is the latest generation of hybrid varieties, high resistance to blight, anthrax, virus disease, disease, in the old muggle area disease planted especially prominent.
该品种是最新推出的一代杂交品种，抗病性突出，高抗枯萎病、炭疽病、病毒病等病害，在老瓜区种植抗病性表现尤其突出。
They are hybrid creatures, neither gay like butterflies nor somber like their own species.
它们是杂交飞虫，既不像蝴蝶那样快乐，也不像它们自己种类的那样阴郁。
They are hybrid creatures, neither gay like butterflies nor sombre like their own species.
它们是杂交飞虫，既不像蝴蝶那样快乐，也不像它们自己种类的那样阴郁。
This species is the high-tech biotechnology breeding of parent material to compound hybrid integrated trait more outstanding.
本品种是采用高科技生物技术选育的亲本材料配制的杂交种，综合性状更为突出。
As a perfect hybrid planting and a pioneer tree species in restoring vegetation, black locust is very valuable in restoring vegetation and ecological building in temperate zone of China.
刺槐作为一个理想的混交树种和植被恢复的先锋树种对我国温带大部分地区植被恢复和生态建设具有重大的意义。
Pulsed high voltage gas-liquid hybrid discharge could combine gas phase and liquid phase discharge to produce plenty of active species, such as ozone, hydrogen peroxide, hydroxyl radical etc.
高压脉冲气液混合放电利用气相和液相共同放电产生臭氧、双氧水、羟基自由基等活性物质，提高污染物去除效率和电源能量利用率。
The main economic properties of the species hybrid posterities of 8 cotton wild varieties from 83 portion of materials were analysed.
用对应分析法对8个棉花野生种的杂种后代共83份材料的主要经济性状进行了分析。
The nutritive components contained in young and mature leaves of Paulownia elongata and hybrid were determined and compared with other tree species.
报道了兰考泡桐和杂交泡桐叶的营养成分，并与其它树种进行比较；
Two molecular methods were employed to successfully disclosed characters of the single hybrid zone: (1) this hybrid zone was composed of parental species, F1s, F2s and backcross derivatives;
我们通过分子测序和分子标记两种方法，揭示了该杂交区的性质：（1）该杂交区的构成是由亲本、F1代、F2代及回交后代组成；
Two molecular methods were employed to successfully disclosed characters of the single hybrid zone: (1) this hybrid zone was composed of parental species, F1s, F2s and backcross derivatives;
我们通过分子测序和分子标记两种方法，揭示了该杂交区的性质：（1）该杂交区的构成是由亲本、F1代、F2代及回交后代组成；
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