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but his taciturnity was respected and it was only on rare occasions that one of the older men of the place detained him for a word .

可是大家都尊重他的沉默，难得才有一两个年老的人留住他说几句话。

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During a visit to Europe last autumn , he said that little happened on rare earth policy without him .

去年秋天到欧洲访问期间，他曾说，他将带领稀土政策发生实质变化。

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'The Japanese government hasn't been informed' of any Chinese ban on rare-earth materials, a Japanese Foreign Ministry official said .

日本外务省一名官员说，日本政府没有被告知中方的任何稀土出口禁令。

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On rare occasions , the gas plumes spontaneously ignite, shooting flames high into the sky .

偶尔，释出的气流会自燃，向天空喷射巨大的火流。

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Although World Trade Organization rules ban export taxes, China has imposed them on rare earths for the last four years .

虽然世贸组织的规定禁止征收出口关税，但是中国政府在过去的四年里一直对稀土征收关税。

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A recent crackdown by Beijing on rare earth mines and restrictions on exports have caused chaos in some of these markets .

北京方面近期对稀土矿的整治以及对稀土出口的限制，已在其中一些稀土市场引发混乱。

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The research on rare-earth doped luminescent materials comes to a new and active period , as series of high technology developed .

进入新世纪后，随着一些高新技术的发展和兴起，稀土发光材料科学技术又步入 —个新的活跃期。

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On rare occasions , application issues can arise in the multiple JVM configuration that are not possible in the single JVM configuration .

在极少数情况下，在多个 JVM 配置中可能出现在单个 JVM 配置中不可能出现的应用程序问题。

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The ban on rare earth exports to Japan last September is still fresh in Japanese minds.

去年 9月中国曾禁止向日本出口稀土，日本民众对此事依然记忆犹新。

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Only on rare occasions will quantitative techniques be available for the scrutiny of research protocols .

只有在极少情况下可用定量方法来仔细检查实验方案。

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Avian influenza viruses are highly species-specific, but have, on rare occasions, crossed the species barrier to infect humans .

禽流感病毒具有高度物种特异性，但偶尔也跨越物种屏障，感染人类。

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It also emphasized that on rare earth exploitation , mandatory plans should be strictly executed .

还强调，稀土的开采上，要严格执行指令性计划。

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As Japanese industries reel from Chinese export restrictions on rare earth metals, alternative sources are moving in to fill the gap .

当中国的稀土出口限制影响到日本工业界时，其它稀土矿产地在逐渐填补这一缺口。

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Amazon itself could afford to stock up on rare books as well as offer these via numerous online partners .

Amzaon 利用本身的存货或通过众多在线合作伙伴来供应对这种冷门书籍的需求。

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China's decision in recent months to impose tougher quotas on rare-earth metal exports has sparked outcry from Tokyo to Washington.

最近数月中国决定对稀土金属出口实行更加严格的配额，这激起了日本、美国等国的不满。

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