其中一个最经济实惠，漂亮的戒指是锆石环。
一个有粉红色纹理的，精雕细磨的巨大白色大理石环能引起会心微笑。
An elegantly carved and polished huge ring of white marble with pink veins elicits a smile.
这时期也发现用石英和其他适用的石料制成的饰物，例如大小不一的石环和石玦；
Ornaments such as rings, some slotted, were also made from quartz and other suitable stones.
然后斯密特说，这些石阵环一完成，古代的建筑师们就在那上面覆盖上泥土，最后再在这旁边或者上方放上另一个石阵环。
Then, Schmidt says, once the stone rings were finished, the ancient builders covered them over with dirt.Eventually, they placed another ring nearby or on top of the old one.
然后斯密特说，这些石阵环一完成，古代的建筑师们就在那上面覆盖上泥土，最后再在这旁边或者上方放上另一个石阵环。
Then, Schmidt says, once the stone rings were finished, the ancient builders covered them over with dirt. Eventually, they placed another ring nearby or on top of the old one.
这么多年来，他的团队已经在掩埋这些石阵环的泥土里找到了很多人类骸骨的碎片。
Over the years, his team has found fragments of human bone in the layers of dirt that filled the complex.
对于这些古人类而言，到底是什么如此重要，以至于让他们去修建(还有掩埋)这些石阵环？
What was so important to these early people that they gathered to build (and bury) the stone rings?
几个世纪之后，这些层层的石阵环便形成了这个山顶。
再里面是由菲律宾黄缅茄木﹐类似象牙的物质﹐枫木﹐绿宝石﹐孔雀石与粉红象牙木组成的主要装饰环。
Inside of that is the main deco ring of Orange Tindalo, Ivorine, Maple, Recon Turquoise, Recon Malachite and Pink Ivory wood. All main woods are outlined in black!
采用环缝磨制备了莫来石微粉。
公司的主要产品有C5石油树脂、双环戊二烯、均三甲苯等，可广泛地用于涂料、胶粘剂、医药中间体、油漆、油墨等产品的生产。
Our main products include C5 petroleum resin, dicyclopentadiene, and mesitylene which are widely used in industries of coating, adhesives, pharmaceutical intermediate, paint, and ink etc.
从环戊二烯和双环戊二烯的利用、异戊二烯的利用、间戊二烯的利用以及C5石油树脂的利用等几方面分析裂解c5的综合利用。
From the application of cyclopentadiene, dicyclopentadiene, isoprene and piperylene and the application of C5 petroleum resin, the paper analyzes the comprehensive application of cracking C5.
适用于：各种地面，如：弹性地板、环氧地面、水泥地面、水磨石表面、大理石表面、地砖表面等。
Use: all kinds of floor such as the resilient floor, epoxy floor, marble, granite, terrazzo.
为北京城市五环、六环，太旧高速、石黄高速、京承高速、北京城市铁路交通建设做出了贡献。
It plays an important role in the construction of Beijing urban rail transit , such as Wuhuan Road, Liuhuan Road, Taijiu High-speed Road, Shihuang High-speed Road, Jingcheng High-speed Road.
主要原料采用世界罕见的六环石及其他矿化材料，能有效的去除细菌、致癌物质及有害重金属等。
Main raw materials contain rare pyranoid stones and other mineralizing materials and can effectively remove bacteria, carcinogenic substances, harmful heavy metals and the like.
其制备步骤包括将六环石破碎、粉碎、研磨成超细粉体，使其粒度大于1000目；
The preparation method adopts the following steps: hexacyclic stone is crushed and ground into ultra fine powder body with the grain size larger than 1000 meshes;
其制备步骤包括将六环石破碎、粉碎、研磨成超细粉体，使其粒度大于1000目；
The preparation method adopts the following steps: hexacyclic stone is crushed and ground into ultra fine powder body with the grain size larger than 1000 meshes;
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