Three species of tilapia thrive there part-time.
在某些时间段，有三种罗非鱼在那里生长。
The other three species differ in the proportion of lower leaves and higher stems that they eat: zebras eat the most stem matter, wildebeests eat the most leaves, and topi are intermediate.
其他三种动物的区别在于它们食用的低处枝叶和高处茎杆的比例不同：斑马吃茎杆最多，角马吃叶子最多，而转角牛羚则介于两者之间。
In rodent, all three species have a long life.
上述三种囊虫在鼠体能长期生存。
The three species evolved from a single ancestor.
这三种生物从同一原种进化而来。
Three species: C and SW Asia; one species in China.
种：亚洲中部和西南部在中国的一种。
The system has three species, where two prey and one predator.
该系统是由一个捕食者，二个食饵种群所构成。
The strength of at least three species of bamboo is similar to steel.
至少有三种竹子的强度和钢铁类似。
All of the three species of bacteria have a strongly corrosive property.
这三种细菌对钢都具有很强的腐蚀能力。
There were three species of parasites of Culicoides riethi in Chungking:an.
李拭库蠓有三种寄生虫感染；
In this paper, a three species food chain model with impulsive perturbations e.
提出并研究了一类具有脉冲干扰和混合功能反应的三种群捕食链模型。
About 30 species: throughout the tropics and subtropics; three species in China.
大约30种：在整个期间热带和亚热带；中国有3种。
In addition, three species (including a frog and a beetle) have been named after him.
此外，还有3个物种(包括青蛙和甲虫)已经以他的名字命名。
About 35 species: tropical Africa, Asia, and Australasia; three species in China.
大约35种：热带的非洲，亚洲和澳大拉西亚；在中国的3种。
To this end, Ceres is tinkering with three species of grass: Miscanthus, switchgrass and sorghum.
为此，Ceres正在对芒草、柳枝稷和高粱等三个物种进行修饰。
In this paper, a class of predator-prey systems of three species with discrete time is studied.
本文研究了一类三种群离散型捕食者食饵系统。
The correlation of oil - oil indicated that the oil can be devided into three species at least ;
油源对比表明有三套烃源岩，即寒武奥陶系、石炭二叠系和侏罗系生油岩。
The impurity was observed at exposure multiples with no unanticipated findings in the three species.
最后一句话我觉得是：在反复曝露的情况下，在三个物种中，该杂质均未观察到预期的结果。
Three species of Marine corrosive bacteria were isolated from the steel pillings of Qingdao Harbour.
从青岛港钢板桩的锈层中分离到三种腐蚀性细菌。
Also known as mountain danta, this animal is the smallest of the three species of tapir that exist in America.
它是美洲三种貘类当中体型最小的。
A food chain model of three species with impulsive perturbations and mixed functional response is proposed and studied.
提出并研究了一类具有脉冲干扰和混合功能反应的三种群捕食链模型。
In the present paper three species of the family Laterotrematidae are recorded, two new species of which are described.
本文记载三种侧孔科吸虫，对其中的二新种进行了详细描述。
Authors studied and compared with the pharmacologic effect of three species of Ferula on the gastroenteric tract of rats.
本文以胃肠作用为指标，比较新疆三种阿魏的药理作用，探讨乌恰阿魏、多伞阿魏代替新疆阿魏应用的可能性。
Objective To analyze the zymogram of peroxidase (per) and phosphoglucose isomerase (PGI) of three species of Sarcocystis.
目的比较几种肉孢子虫过氧化物酶、磷酸葡萄糖异构酶同工酶酶谱。
We are experiencing the greatest wave of extinctions since the disappearance of the dinosaurs: Every hour, three species disappear.11
我们正面临着自恐龙灭绝以来最大的物种消亡：每1个小时，有3个物种从地球上消失。
When given to dogs, rats and humans, it decreased alertness in all three species, while shortening the time it took for them to fall asleep.
当狗、鼠和人服用了这种药物后，他们的警觉性均下降，入睡时间缩短。
The two green and pink morphs were confirmed as distinct species, but King's group found the pink morph can be further subdivided into three species.
这两个绿色和粉红色变种被证实为不同物种，但金的研究小组发现了粉红色变种还可以进一步细分为3个物种。
The stability of a three species food chain system is discussed, in which the growth of producer is subject to the linear initial regrowth model.
讨论了生产者服从草再生模型的三种群食物链系统平衡点的稳定性问题。
The stability of a three species food chain system is discussed, in which the growth of producer is subject to the linear initial regrowth model.
讨论了生产者服从草再生模型的三种群食物链系统平衡点的稳定性问题。
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