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Aromatic polyamide nanofiltration membrane is prepared by the solution of aromatic polyamide fiber via immersion precipitation phase inversion process.
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摘要以聚间苯二甲酰间苯二胺为原料，采用相转化法制备了芳香聚酰胺纳滤膜。 |
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Aromatic: Describes a simple, often fruity smell or flavour present in young wine. See BOUQUET.
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芳香：口感强烈花香浓郁的葡萄品种，橡木陈年以及在酒瓶中的变化而产生的香味。 |
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Aronszajn, N. Theory of Reproducing Kernels.Trans. Amer. Math. Soc. 686 (1950): 337-404.
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这篇文章对核再生希尔伯特空间理论有具体的解说。 |
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Around $500,000 to begin with. It's not a small figure, I should say.
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开始大约五十万美元。我应该说，这不是个小数目。 |
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Around 0800hrs the US positions [in the airport area] were attacked by the militia forces probably from among the local population. The militia was dispersed by tank and APC fire.
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大约8点时，美军在机场地区的阵地收到可能是来自当地居民的民兵武装的攻击。民兵被坦克和装甲运兵车的火力驱散。 |
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Around 100 experts from 40 countries are attending a three-day meeting called by the World Health Organization to review global preparedness for a long-predicted flu pandemic.
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世界卫生组织召开发由来自40个国家的约100位医生参加的，为期三天的会议，旨在研究针对以后的流感大流行，采取全球性的预防措施。 |
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Around 12 o'clock the crowds start filtering out of the theaters.
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约十二点左右人群开始从戏院里三三两两地走出来。 |
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Around 13m ATVs are now in use across the United States.
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在美国，大约有1300万人驾驶全地形车。 |
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Around 1900, Sigmund Freud stated his theory that people try to repress (push out of the mind, hide) any memories or thoughts that they believed were not good.
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1900年左右，弗洛伊德把他的理论描述为个体压抑自己感觉不好的记忆。 |
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Around 1900, Sigmund Freud stated his theory that people try to repress any memories or thoughts that they believed were not good.
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1900年左右，西格蒙德·弗洛伊德阐述了他的理论：人们总是努力去抑制所有他们认为不好的记忆或思想。 |
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Around 1970 the environmental movement sparked the creation of America's first kerbside collection schemes, though it was another 20 years before such programmes really took off.
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大概在1970年，环保行动激发了美国第一个街道垃圾收集项目的出台，尽管此项目的真正实施在其出台的20年后。 |
