When experimental populations are set up under simple laboratory conditions, the predator often exterminates its prey and then becomes extinct itself, having nothing left to eat.
当实验种群在简单的实验室条件下建立起来时，捕食者往往会消灭它的猎物，然后自己也走向灭绝，因为没有东西可以吃。
The study took place under laboratory conditions.
研究在实验室进行。
The procedure is simple and can be carried out under ordinary laboratory conditions.
方法简单，在一般实验室中即可完成。
Such ideal laboratory conditions are not readily reproduced in large-scale equipment.
这些理想的实验室条件在大型设备中是不易于再现的。
The magazine says the DNA was tested under stringent laboratory conditions to obtain the results.
该杂志说，为了保证结果的可靠性，DNA的检测是在极其严格的实验条件下进行的。
The script was created under controlled laboratory conditions to ensure the accuracy of the results.
为了确保结果的准确性，这个脚本创建于受控的实验室条件下。
The research team carried out tests on 24 rats with pre-cancerous tumours in laboratory conditions.
研究人员用24只小鼠进行了试验。
It can be bred and grow very well in laboratory conditions when temperature and humidity are suitable.
在温、湿度适宜的条件下，通过人工室内饲养，可以生长良好。
The photosynthetic characteristics of Longan leaves under field and laboratory conditions were studied.
在田间和试验室条件下研究了龙眼叶片的光合作用特性。
Under laboratory conditions, the toxicity of acid water on several major freshwater fishes were studied.
在实验室条件下，研究了酸性水对几种主要淡水鱼类的毒性影响。
Many genes have been found that, when mutated, show no visible phenotypic effects under laboratory conditions.
我们发现很多基因突变以后在实验室条件下没有可见的表型。
Conclusions The three methods may be used to fibrinogen measure according to different laboratory conditions.
结论三种方法均可应用于纤维蛋白原测定，实验室可根据具体情况选用。
Under laboratory conditions, mineralization began within four to six weeks and had occurred extensively within months.
在实验室条件下，矿化在四至六周内开始，并在六个月内产生全面的化学反应。
The findings discussed in this article are based on a solution that was created and tested under laboratory conditions.
本文论述的结果基于一个在实验室环境下创建并测试的解决方案。
Results from experiments under the laboratory conditions showed all the silage additives can improve the quality of silage.
实验室条件下的结果表明，所有添加剂均能明显提高青贮饲料的青贮品质。
Tests are conducted under laboratory conditions, as well as under simulated customer scenarios, to help ensure adequate coverage.
为帮助确保得到足够的覆盖率，测试既在实验室条件下也在模拟的用户情形下进行。
There is a wide-spread belief among bioengineers that it will one day be possible to create life under laboratory conditions.
生物工程师们广为相信的是，总有一天可以在实验室条件下创造出人。
Even greater differences are established under laboratory conditions where a temperature difference of 26c has been achieved.
即使在实验室更大的温差下(温差为26度)也能实现。
The running speed (on a running machine in laboratory conditions or on the track) accelerates progressively, by successive levels.
跑步速度需要连续地增加（在实验室的跑步机或在跑道上）。
In artificial incubation programs, aviculturists remove eggs from the nests of parrots and incubate them under laboratory conditions.
在人工培育计划中，饲鸟者把鸟蛋从鹦鹉的巢穴中移走并在实验室的条件下孵化它们。
The circadian clock controls physiological traits such as flowering time, photosynthesis, and growth in plants under laboratory conditions.
实验室条件下，生物钟调节植物诸如花期、光合作用和生长等生理性状。
A type of light weight decorative base paper has been made from bleached sulfate softwood pulp and cotten pulp under laboratory conditions.
在实验室条件下，以漂白硫酸盐针叶木浆与棉浆试制轻型装饰原纸。
Under the laboratory conditions, a semi-industrial test was made to examine the thermotechnical characteristics of fin-tube type heat exchanger.
在实验室条件下，对片状管式换热器的热工特性进行了半工业性实验研究。
The alcohol ferment of pressed juice from the sweet sorghum straw stalk, the raw juice storage life were researched under the laboratory conditions.
主要对甜高粱秸秆汁的酒精发酵、原汁的保存期进行了实验室条件下的研究。
Feeding intensity and point-of-no-return (PNR) of Pelteobogrus fulvidraco larvae at different temperatures were studied under laboratory conditions.
对不同温度下黄颡鱼仔鱼的摄食强度及抵达不可逆点（PNR）时间的变化进行初步研究。
This paper analyzed the possibility of reflectance spectra obtained under laboratory conditions for the assessment of Pb, Cd and Hg content in soil quickly.
本文利用实验室实测的土壤反射光谱以及铅、镉、汞等重金属元素数据，进行土壤重金属元素含量快速预测的可行性研究。
Apollo 11 'also for the laboratory conditions: This house functions as architecture workshop, recording studio and rehearsal room acoustic and electric music.
“阿波罗11号”还可以提供各种实验室的条件：例如建筑车间、录音棚、声原及电子音乐排练室等等。
Apollo 11 'also for the laboratory conditions: This house functions as architecture workshop, recording studio and rehearsal room acoustic and electric music.
“阿波罗11号”还可以提供各种实验室的条件：例如建筑车间、录音棚、声原及电子音乐排练室等等。
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