The color difference could yield surface composition clues to the violent history of Mimas.
颜色差异可能提供土卫一表面组成的线索以了解其动荡的历史。
The origin of the color differences is not yet understood, but may be caused by differences in the surface composition between the two terrains.
产生颜色差异的原因还不清楚，有可能是两种地形表面成分的差异造成的。
Color differences are most likely due to regional changes in surface composition or the sizes and structures of the grains in the moon's icy soil.
颜色的差异很可能是因为卫星表面冻土的成分或者粒度与结构的区域性变化。
The UV-VIS-NIR reflectance spectra of the Moon are an important tool to interpret Moon surface composition.
月球紫外-可见-近红外反射光谱（强度，反照率以及吸收特征）是研究月球表面物质组成的重要手段。
Surface porosity, surface composition and surface tension are all relevant factors.
表面孔率、面组分及表面张力也都是相关因素。
The surface composition and morphology of hydrogen storage alloys have an important influence on the electrochemical properties of metal hydride electrodes.
贮氢合金的表面成分和形态对金属氢化物电极的电化学性能具有重大影响。
AES and XPS were applied to analyse the surface composition, bond and distribution of concentration varying with depth, and to explain the law of the experiment.
用AES和XPS分析了电极表面组成、价态和浓度分布，并对试验规律进行了解释。
The changes of surface composition of bisphenol A polysulphonefilms induced by X ray in ultrahigh vacuum have been studied using X ray photoelectron spectroscopy (XPS).
利用X射线光电子能谱（ XPS）研究了双酚A型聚砜薄膜在超高真空下X射线辐照所引起的表面化学组成变化。
Mercury Atmospheric and Surface Composition Spectrometer (MASCS): Profiles of atmospheric composition on the day and night sides;
水星大气及表面成分光谱仪（MASCS）：获取日照和背阳面大气成分剖面；在紫外波段对外溢层尾迹观测；
Mercury Atmospheric and Surface Composition Spectrometer (MASCS): Profiles of atmospheric composition on the day and night sides;
水星大气及表面成分光谱仪（MASCS）：获取日照和背阳面大气成分剖面；在紫外波段对外溢层尾迹观测；
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