However, more recent data imply that at least some parts of the planet did in fact experience long periods in the past during which liquid water existed on the surface.
然而，更新的数据表明，至少在该星球表面的一些部分的确存在过液态水，且存在于过去很长的一段时间内。
Lorenz and colleagues calculated the amount of liquid hydrocarbons on Titan using radar data gathered from the orbiting Cassini spacecraft.
Lorenz和同事利用轨道环绕飞船Cassini号上收集的雷达数据计算了泰坦上的液态烃的含量。
It is computer controlled hydraulic press with data acquisition that USES a high-pressure liquid to hydroform materials.
它是计算机控制的数据采集，使用高压液液压成形材料液压机。
The Spitzer data was taken after Spitzer's liquid coolant randry in May 2009, marking the beginning of its "warm" mission.
其中斯皮策数据是在2009年5月它的冷却剂耗尽后而开始的“温暖”任务中取得的。
Provides the theoretical data for the vacuum degassing purification and vacuum dry of liquid medium.
为液体介质的真空脱气净化和真空干燥提供了理论数据。
Finally, based on the model data, the neural networks are applied to recognize several fault patterns of the liquid rocket engine.
最后，基于模型数据，应用神经网络识别了液体火箭发动机的几种故障模式。
In view of the above mentioned facts, this paper proposes a set of very useful thermophysical property data of liquid and supercritical fluid for xenon, giving a reference to research workers.
鉴于以上所述情况，本文提出一套很有用的氙的液相和超临界流体相的热物理性质数据，供研究工作者参考。
The numerical simulating results of liquid velocities agree with the experimental data at low gas flow rate.
在低气速下，局部液体速率的模拟结果与实验数据吻合良好。
A basic chromatographic data processing software system of the microcomputer-based thin-layer electrochemistry cell liquid chromatography analyzer was developed.
本文介绍了微机化薄层电池液相色谱分析仪的基本色谱数据处理软件系统。
Pure component parameters were obtained by fitting vapor pressure, saturation liquid density and supercritical PVT data.
纯物质的参数由拟合纯物质的蒸汽压，饱和液相密度或超临界的PVT数据获得。
It is not only to replenish data stock but also to (enrich) the theoretical basis on thermodynamic study for the binary liquid mixture systems.
这不仅为二元液系混合体系充实了实验数据，还为二元液系的热力学研究丰富了理论依据。
Next, the physical properties and vapour liquid equilibrium data must BE collected, and finally the type of absorBEr is chosen and designed.
其次，必须收集物理性质和汽一液平衡数据，最后才是选择和设计吸收器。
The methods of mutual prediction between heat of mixing and vapor - liquid equilibria data are reviewed.
本文评述了混合热和汽液平衡数据间相互推算的方法。
The procedures of some typical vapor-liquid equilibrium calculations of petroleum fractions based upon spline techniques are given in the paper with good agreement with laboratory data.
提出了基于样条函数技术对石油馏份所作的若干种典型汽液平衡计算步骤，并给出了令人满意的数值计算结果。
To overcome the difficulties on acquiring enough fault modes from ground and flight test data, the failure process for liquid propellant rocket propulsion systems was modeled.
为克服由于试验或飞行数据不足而无法获取系统足够故障模式的问题，开展了液体火箭推进系统故障过程建模与计算机仿真研究工作。
The research results can give basic data for the interior ballistic design of the liquid propulsion system.
其结果可为液体推进系统内弹道设计提供基础数据。
If oxygen-deficient atmospheres are suspected or can occur, use oxygen monitoring equipment to test for oxygen-deficient atmospheres. Review the liquid nitrogen Material Safety Data Sheet (MSDS).
如果怀疑空气中缺氧或缺氧可能发生，使用氧检测设备来测试缺氧空气。可以参考合适的材料安全数据表(MSDS)。
The data required in the method are: liquid density, Z_(RA)and vaporization enthalpy at normal boiling point.
本方法所需数据为：液体密度、Z_（RA）值及正常沸点下蒸发焓。
The results show that the estimation values of activity of multicomponent liquid alloys are in good agreement with their experimental data of activity.
研究结果表明，多元液态合金的活度估算值与其实验数据符合良好。
Nonloss storage experiments were performed to a cryogenic vessel filled with liquid nitrogen, and a multivariate linearity regression analysis and check to the experimental data was also done.
对一低温容器利用液氮为介质进行了多次无损贮存实验，利用多元线性回归方法对实验数据进行分析和检验。
Besides, the flow velocity of the liquid can be adjusted by the auto-feeding device and it can be achieved the liquid auto-feeding and continually data collection.
另外，液体的流速可由自动进样器调节并能够实现液体的自动进样及连续数据采集。
From fields testing, the important function of well temperature parameters in testing data of liquid production profile is expounded.
从现场测试的角度出发，阐述了井温参数在产液剖面资料测试中的重要作用。
The operation tests of bearing and face seal components in LOX and liquid nitrogen provided accurate data for future engine development.
通过轴承、端面密封组件在液氧、液氮中的运转试验，可为发动机研制提供准确数据。
The result shows that the distribution of product base on liquid chromatogram data, using AAS to determine the content of Sn is exact and simple.
认为液相色谱对产品的分布提供了可靠的数据，对生产过程的控制提供了依据。总锡含量的测定以原子吸收光谱法较准确和简便。
Noise in the raw acquired data of liquid propellant rocket engine test can reduce accuracy and creditability of the data.
液体火箭发动机试验的原始测量数据中存在着噪声，影响了数据的准确性和可信性。
The correlation model of liquid-plastic limit has been built by regression analysis of experimental data of clayey soil in the east of Mudanjiang.
该文通过对牡丹江以东六个地区粘性地基土液、塑限试验数据的回归分析，建立了各地区的液、塑限相关模型。
This instrument based on LPC932 as the key microprocessor to gather , deal with and store data, to control real-time clock, to complete the liquid crystal display and communication.
该仪器基于LPC932单片微机为核心微处理器，来完成数据采集、处理，存储，实时时钟控制，液晶显示，通信等功能。
The researchers then created a system to gather data when their pelts entered and moved through a liquid-in this case not water, but silicone oil, which makes it easier to see air bubbles.
然后研究人员创建了一个系统来收集数据，当它们的毛皮进入并穿过这样的液体——不是水而是硅油的液体时，这使得它更容易看到气泡。
The researchers then created a system to gather data when their pelts entered and moved through a liquid-in this case not water, but silicone oil, which makes it easier to see air bubbles.
然后研究人员创建了一个系统来收集数据，当它们的毛皮进入并穿过这样的液体——不是水而是硅油的液体时，这使得它更容易看到气泡。
应用推荐