lunar soil

They include a small sample of lunar soil, part of a Tyrannosaurus rex fossil and several artistic works, like poems by Maya Angelou and a recording of the Mars movement from Gustav Holst's "The Planets."

其中包括一小份月球土壤样品，一块霸王龙化石的一部分和一些艺术作品，比如玛娅·安杰洛（Maya Angelou）的诗歌，以及古斯塔夫·霍尔斯特（Gustav Holst）《行星》组曲中的火星部分录音。

This essay also gives brief introduction of the physical and chemical components and property of lunar soil in the appendix.

本文还在附录中简要介绍了月壤的物理和化学组成及性质。

The DEM contacting mechanics model of lunar soil was built by triaxtest to adjust the particle micro parameters.

通过离散元模拟三轴试验反复调整颗粒细观参数，建立了月壤离散元接触力学模型；

Methods and advances in research on lunar soil thickness

月壤厚度的研究方法与进展

Lunar surface can be regarded approximately as two-layered medium consists of lunar soil and lunar rock.

月球表层可近似视为由月壤和月岩组成的双层结构。

To win, a robot had to excavate 150kg (330lb) of simulated lunar soil and move it into a container in less than half an hour.

要赢得比赛，参赛机器人必须挖掘150千克（330磅）模拟月球土壤，并在半小时内装入一个容器。

Lunar Prospector, and will conduct an overall prospect evaluation on some useful resources on the Moon's surface. Probing the features of lunar soil and evaluating its depth, as well as the amount of helium-3 ( He)

探测月球上的钛和铁等14种元素分布，并会利用成像光谱仪，测定造岩矿物，如橄榄石、辉石、斜长石等在月球表面的含量与分布情况；评估月球土壤厚度和氦.3的资源量；

At last, combining the vertical impact model with the horizontal dragging model proposed in the thesis based on trajectory theory, a mechanical model was obtained to describe the interaction between footpad and lunar soil stimulant in landing impact process.

采用运动轨迹理论将本文提出的竖向冲击力学模型和水平拖曳力学模型结合，得到了描述着陆冲击过程中足垫与模拟月壤相互作用力学模型。

News that water may be lurking in the lunar soil could prompt a thaw.

有消息称，水可能存在于月球土壤中并且可以被迅速解冻。

China has also developed a lunar exploration project, "three-step" plan, the third step and at the course of building the future lunar base involving testing samples of lunar soil in-situ investigation.

中国也制定了探月工程三步走的计划，其中第三步以及未来月球基地的建设过程中，必将涉及到月壤原位勘察测试取样。

Research on Lunar Soil Analysis Based on Multi-spectral Image Fusion and Target Classification of Neural Network

基于多光谱融合和神经网络分类的月壤分析研究

At first, the physical and mechanical properties of the stimulant lunar soil are studied through laboratory tests.

首先对月壤和常用模拟月壤的物理力学性质进行了总结归纳，通过室内试验研究了本文所用合成月壤的基本物理力学性质，并与月壤进行了比较，对合成月壤进行了评价。

Simulation of Traction Ability of Lunar Rover with Different Mechanics of Lunar Soil

月壤力学性质对月球车牵引性能影响的模拟

Basic lunar soil stimulant were experimentally produced from basaltic scoria on the basis of the average data of lunar soil.

采用玄武质火山渣为初始物质，以月壤平均性能参数为参考标准，研制了一种典型基础模拟月壤样品。

If true, the signal might be explainable by hydrogen flowing out from the Sun and interacting with oxygen in the lunar soil.

如果是真的，那么该信号可能是太阳上的氢与月壤内的氧原子结合后形成。

According to its physical mechanics properties, the statics characteristic of lunar soil is studied using DEM software PFC3D.

以典型月壤的物理力学性质为参照标准，采用颗粒流程序PFC3D对月壤静力学特性进行了离散元模拟研究。

The Study on the Simulation of Lunar Rover Interaction with Lunar Soil on the Basis of Soil Bin Test

基于轮壤作用试验的月球车与月壤相互作用动态仿真

The physical, mechanical and engineering properties of lunar soil have great impact on all these explorations.

月壤的物理力学性质和工程性质对这些相互作用有重要的影响。

Owing to the study of Mohr-colomb model and Cam-clay model, constitutive model of lunar soil simulant is initially established. With triaxial test results, it is proved that this model can accurately simulate its stress-strain relations. 3.

基于摩尔库伦模型和剑桥模型的研究，初步建立了模拟月壤的本构模型，结合模拟月壤、福建中级砂和ISO标准砂的静力三轴试验成果，对该本构模型进行验证。

One of the purposes of the lunar soil deep-sampling mission is to obtain samples of lunar soil with original bedding information.

月壤深层取样的目标之一是取回尽量保持原有层理信息的月壤样品。

A Preliminary Study of the Dielectric Properties of Lunar Soil Simulants

模拟月壤微波介电特性的初步研究

An unmanned sampling mission to the moon is pencilled in for 2017, with the objective of gathering lunar soil and returning it to Earth.

中国还草拟了在2017年将无人探测器送上月球进行取样的计划，计划目标是收集月球表面土壤样本并返回地球。

The sampling device controlling system is to take lunar soil into the heating equipment automatically in the control of digital signal processor.

取样臂控制系统是通过信号处理器自动控制电机来驱动取样装置掘取月球表面土壤，并最终将采集的月壤送入加热设备的过程。

Without extra money, the Americans are unlikely to sink more footprints into the lunar soil until after 2030, if at all.

没有额外的钱，美国人不大可能踏入月球土壤在2030年以前。

The model of multi layers dense media is developed for numerical simulation of polarized brightness temperature from layering lunar soil and rock.

提出模拟多层月壤月岩的多层密集粒子介质辐射传输的一种建模，在各有关参数条件下计算了各通道的多层月壤月岩辐射亮度温度。

The Influence Factor Analysis for a Dual-sensor Probe to Measure the Lunar Soil's Thermal Properties

双探针法测量月壤热物性参数的影响因素分析

The interaction between a rigid wheel and lunar soil simulant

刚性轮与模拟月壤相互作用初步研究

They indicate the titanium and iron abundance, as well as the maturity of a lunar soil.

他们能显示出月球钛和铁储量的丰富储量和其土壤的成熟度。

Research on lunar soil thickness is very important in lunar exploration, human lunar landing and lunar resource exploitation in the future.

月壤厚度的研究对未来月球探测、登月与月球资源开发均具有十分重要的意义。

After comparing the inverse results from different method, RT method is chose to estimate the thickness of lunar soil.

又因DGF方法比较适用于严格分层媒质，而月表并非严格双层结构，因此在月壤厚度评估中，选用RT方法对月壤厚度进行评估比较合适。