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。
This was all a ruse, however, to set up a series of experimental conditions related to how hard to get each of the women appeared to be. Each woman fell into one of the following categories.
然而,这全然只是个为了建立一系列的实验条件而使用的一种伎俩,就是制造关于这些女性看上去有多难追的一种印象。
Fifteen chimps and 24 children were introduced to the same experimental set-up: a room containing both a single end of rope and a doubled-over rope with two available ends.
15个黑猩猩与24个儿童面对相同的实验环境设定:一个有一端的绳子和两端的绳子的房间。
An experimental instrument is set up to observe the energy distribution of electrons (mainly secondary electrons) on the anode screen in the field emission.
我们搭建了一套实验装置,用来观察场发射中到达阳极屏上的电子(主要是二次电子)的能量分布。
In this paper, the principle from analog regulation to digital regulation is explained, as an example, a block diagram and experimental set-up for position regulation system are introduced.
本文从原理上说明了如何从模拟调节实现数字调节,又以位置调节系统为例介绍了方框图并简单介绍了实验装置。
Their general practice is to set up experimental plots.
他们的一般作法是建立试验田。
At last, experimental platform for a piezoelectric cantilever beam is set up, and the theoretical analysis has been verified by experiments.
最后,搭建了压电悬臂梁结构主动振动控制的实验平台,对理论分析结果进行了验证。
To guide the application of an active balancing device in industrial cantilever rotors, a cantilever rotor test stand was set up to perform an experimental study of active balancing technology.
为了指导主动平衡装置在工业悬臂转子上的应用,搭建了悬臂转子实验台进行主动平衡实验研究工作。
A new experimental set up for the anaerobic bioassays of waste water is described.
介绍一种用于废水厌氧生物鉴定试验新装置。
The focal point of this paper is the teaching experimental system based on setting up a set of industrial control network.
本文重点是建立一套工业控制网络的教学实验系统。
It set up an experimental foundation for visual analysis of injection molding process.
为注射充模过程的可视化实验研究奠定了基础。
AIM to set up the experimental model of canine thoracic cavity gunshot wounds, and to explore the causes of early death and the effects of early rescue.
目的建立犬胸腔枪弹伤致伤模型,探讨早期致死原因和早期救治效果。
On the principle of similarity, the early slag flow in dropping zone is investigated hydraulically with an experimental set-up locally analogues to a blast furnace.
根据相似原理,对高炉滴落带初渣流动进行了区域模拟的实验研究。
An experimental installation was designed and set up for investigating the mixed convection heat transfer when water flows upward through a vertical annuli filled with porous medium.
本文报道了水向上流经垂直多孔介质同心套管混合对流的传热实验装置和进口段对流换热的实验结果。
In this paper, both boundary extraction and image interpretation aspects are mainly studied, and an experimental prototype system is set up for ultrasound image assistant interpretation.
本文围绕着边界提取和图像解释这两个中心问题进行了研究,建立了超声图像计算机辅助解释实验原型系统。
I set up an experimental 801 amplifier.
我建立了一个实验性的801放大器。
This paper use experimental data to set up linear regression equation with unitary and regression straight line, to use variance analysis and related coefficient to test validity of equation.
本文利用实验数据建立一元线性回归方程;回归直线,并用方差分析法和相关系数法检验方程的有效性。
The alcohol fermenting rate equation with only two experimental parameters including slope and intercept was set up, which was simple and practical.
建立了只有发酵速率方程斜率和截距两个实验参数,方便、实用的酒精发酵速率方程。
A heat and mass transfer model was set up, and the simulation results were found to be in accordance with the experimental data.
建立了过程的热质传递模型,比较模拟数据与实验数据,验证了理论模型有较好的适用性。
The experimental set -up and working principle of electromagnetic electrical conductivity sensor are briefly described. The experiment result and application are also presented.
简要地介绍了电磁式电导率传感器的实验装置和工作原理,同时也讨论了实验结果和应用。
An experimental test system for the direct methanol fuel cell under microgravity environment was set up.
建立了短时微重力落塔实验专用直接甲醇燃料电池性能测试系统。
The paper will set up an experimental system, measure the light distribution in two layer tissue phantoms, and compare the experimental results with the Monte Carlo modeling.
本文拟建立一套实验装置,测量双层生物组织模拟体中的光分布,并将实验结果与理论计算的结果进行了比较。
The experimental set-up of ILFBBR is built, and the formation process of biofilm on the carrier is investigated.
建立了内环流固定床生物膜反应器实验装置,并对生物载体挂膜进行实验研究;
Based on experimental data, the functional relationship between displacement pressure of mudstone and vitrinite reflectance is set up.
本文在大量实验数据的基础上,建立了泥岩排替压力与镜质体反射率之间的函数关系。
The experimental set-up consists of a plasma generator, a semi-closed vessel, a special bolt with a blowout disk and other accessories.
试验装置是由等离子体发生器、半密闭爆发器本体和一个专用螺栓以及其他附件组成。
An experimental set up of travelling magnetic field excited by supper power permanent magnet was designed, which has obviously refine function for metal solidification structure.
开发了一套以强磁性永磁体为驱动介质的行波磁场发生器,该装置具有使金属凝固组织微细化的作用。
We bring forward the Generating cutting method based on spherical gear drive, and develop experimental cutting set-up in principle.
提出了球齿轮传动的范成法切削加工方法,并研制了切削加工原理性试验装置。
Objective To set up an experimental model of stress fracture, and further explore the pathogenosis of stress fracture.
目的:建立应力性骨折实验模型,探讨应力性骨折发生机理。
A simple and reliable experiment system is set up in order to obtain an experimental model of periodical and non-stable heat transfer procedure for waste heat boiler of steel-making converter.
鉴于对炼钢转炉锅炉研究的重要意义,设计了一套简单、可靠的试验系统,对炼钢转炉余热锅炉周期性的不稳定传热过程进行试验模拟。
A simple and reliable experiment system is set up in order to obtain an experimental model of periodical and non-stable heat transfer procedure for waste heat boiler of steel-making converter.
鉴于对炼钢转炉锅炉研究的重要意义,设计了一套简单、可靠的试验系统,对炼钢转炉余热锅炉周期性的不稳定传热过程进行试验模拟。
应用推荐