海森堡用一系列数学元素来代表被观测到的量，比如原子吸收或发出的辐射，用以替换波尔的无法观测的原子模型运行轨道。
Heisenberg replaced the unobserved orbits of Bohr's atomic model with a series of mathematical entities representing observed quantities, such as the radiation emitted or absorbed by an atom.
施托克·豪森的音乐是基于数学原理构思的；但是，随着年月的流逝，他又喜欢上了在作品中注入更多的元素，如旋律的变移、自由度与机遇。
Stockhausen's music was constructed on mathematical principles; but, as the years passed, he liked to throw in more elements of motion, freedom and chance.
锫(Bk)、钍(db)和钅黑(Hs)分别命名于这些人工元素的诞生地美国加州伯克利的杜伯纳、俄罗斯和德国的黑森州。
Berkelium (Bk), Dubnium (Db), and Hassium (Hs) were named after Berkeley, CA, Dubna, Russia and the German state of Hessen, respectively, where these man-made elements were created.
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