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A rapid, simple method has been developed for determination of ammonium perchlorite by using formaldehyde. This experiment proved that this method saved measuring time, raised speed and efficiency.
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摘要实验证明甲醛法测定铵盐含量，只要准确测定出较正因子对结果加以校正，是能够直接使用未经蒸馏去除甲醇的甲醛溶液而测定结果不存在显著差异，本方法简单、快速。 |
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A rapidly ageing population makes pensions a particular worry.
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由于人口老龄化的压力，养老金让政府十分头疼。 |
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A rare Reading foray into the Chelsea half caused panic in the visiting defence, which ended with Doyle smashing the ball straight at Cech.
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雷丁少有的突袭进切尔西半场导致了对方防守队员的恐慌,但是最后多伊尔却将球直接射向了切赫. |
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A rare White House black-tie evening featured buffalo for dinner, music by cellist Yo-Yo Ma and dancing with several dozen luminaries from the worlds of politics, history, writing, diplomacy and sports.
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白宫很少举行这样的正式晚会，野牛餐、大提琴演奏家马友友的演奏，政治、历史、写作、外交和体育等方面的杰出人物聚聚一堂。 |
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A rare bottle of Irish whiskey is up for sale at a record 100,000 pounds, making it the world's most expensive single malt.
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一瓶稀有的爱尔兰威士忌开价创纪录的10万英镑（台币577万馀元）求售，使它成为举世最昂贵的单一纯麦威士忌。 |
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A rare case of a single orthotopic ureterocele in a septic child is presented.
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摘要有一小孩，因单一正位的输尿管囊肿，造成严重败血症。 |
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A rare case of pulmonary carcinosarcoma presenting with hypertrophic pulmonary osteoarthropathy is reported and discussed, herein with reference to the literature.
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我们提出这个非常罕见的个案及回顾文献来讨论。 |
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A rare congenital disorder of childhood that is characterized by rapid onset of the physical changes typical of old age, usually resulting in death before the age of20.
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（儿童的）早衰症一种少见的少年身体机能失调，以类似年老的身体快速变化为特征，其结果通常导致二十岁之前死亡 |
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A rare earth industry would be well supported in Saskatchewan — in mining and processing, and also in research and development for new applications at state-of-the-art research facilities available in the City of Saskatoon.
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在采矿和加工的研究和开发新应用上，稀土工业在萨省将受到很好的支持，萨斯卡通(加拿大中南部一城市)具有达到最新技术发展水平的研究设备。 |
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A rare reminder of the bad old days had been a meeting in Hanoi between North Korean and Japanese officials to discuss the abduction of Japanese citizens by North Korea in the 1970s and 80s.
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朝日河内会谈讨论了朝鲜在上世纪70年代到80年代绑架日本人事件，这勾起了双方不愉快的过去。 |
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A rare site for an epidermoid cyst is herein reported.
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摘要本报告要报告一例长在脚底的表皮样囊肿。 |
