释义 |
eu·he·dral 英juː'hiːdrəl美juː'hiːdrəl BNC¹²⁶⁴¹⁶⁺⁴ 基本例句 adj.全形的自形的 The former are mainly developed in the coarsesilt grained, euhedral and semi- euhedral crystalline calcitic dolomites occurring in the lower part of the first member of the Doushantuo Formation. 晶间孔隙主要发育在陡一段下部的粗粉晶含灰云岩中,白云石晶体为自形晶和半自形晶。 cnki The pyroclastic minerals include sanidine in thick-plate shape and euhedral zircon with short cone-shaped twin. 碎屑物中含厚板状透长石和自形晶双锥短柱状锆石; cnki Under scanning electron microscope, barite in these samples occurs as euhedral crystal, co-existing with authigenic quartz and albite with the same idiomorph. 扫描电镜观察发现,重晶石均为完整自形晶,并与同为自形的石英及钠长石共生。 cnki Individually, though, the crystals appear anything but haphazard, sporting the sharp, geometric appearance that scientists call euhedral. 尽管相互独立,这些晶体的外观并非毫无规律,它们突变出尖锐的具有几何形的外表,科学家称之为自形。 yeeyan Serpentinized euhedral- subhedral olivine phenocrystals are dominant in the picrites. 苦橄岩的斑晶主要为蛇纹石化的自形-半自形橄榄石。 dictall |