The crystal structures of bastnaesite - ( Ce ) and fluocerite - ( Ce ) was refined by high power four - circle X - ray diffractometer. 用强功率四圆单晶衍射仪精确地修正了 氟碳铈 矿和氟铈矿的晶体结构.
God, what a swine Bertrand is.我的老天, 伯特兰德简直讨厌死了.The transmission of normal circular - arc gear is a typical Bertrand conjugation.考虑到平行轴的法向圆弧齿轮传动已臻成熟,论文重点研究了相交轴与交错轴条件下法向圆弧齿轮传动的基本方案.Mr Zhang Songnian once translated an essa...
不用说，所有这些都是从电台报道中采集来的二手材料。All this, needless to say, had been culled second-hand from radio reports.今天狩猎采集的生活方式在偏远地区侥幸留存了下来。The hunter-gatherer lifestyle today survives precariously in remote regions.贝扎尼奇正在潜水采集海洋生物。Bezani...