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ABBREVIATION for standard beam approach: a radar navigation system that gives lateral guidance to aircraft when landing 标准波速进场
For instance, by the time I was in my mid 20's I worked at a number of "real jobs," had a BA and two masters degrees. But I didn't feel a sense of accomplishment or that my work rocked.
举例来说，在我20多岁时，我从事的是所谓的“真正的工作”，我有一个学士学位和两个硕士学位，但我并没有感觉到工作的成就感或忘我的工作状态。
Graft copolymerizations of butyl acrylate (BA) onto starch (s) were carried out with ceric ammonium nitrate as initiator, and influence of starch pasting on graft reaction is tested.
以硝酸铈铵为引发剂将丙烯酸丁酯(BA)与淀粉(s)接枝共聚，考察了淀粉糊化对接枝反应的影响。
Reportedly scientists at Brandeis University in the U. S. have developed ba computer program that uses the principles of natural selection to evolve robots.
据报道，美国布兰戴斯大学的科学家们已经开发出一种计算机程序，能使用自然选择法则让机器人进化。
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