然后等钻石分选，粗割，出口，再被打磨后卖到我们每天在大街上看到的品牌店里，卖出去的价钱就是几千英镑。

But then consider the mark-up; the roughly cut diamonds are exported, polished and bought by the brands we see almost daily on our high-streets - and then sold for thousands of pounds.

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目的探求粗玻管的截割方法和破底大(中)试管在中学化学实验和大学基础化学实验中的利用。

Aim to find ways of cutting big glass tubes and new USES of big bottom-broken test tubes in high school chemical experiment and college basic chemical experiment.

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因此，茎粗、叶片数可作为紫花苜蓿选种、育种、产草量估测和确定刈割适期的两个主要选择指标。

Therefore, stem diameter and leaf number could be considered as two principal selection indexs for breeding new varieties, evaluating yield and select.

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