Periodic table (1869) : Organized array of all the chemical elements in approximately increasing order of their atomic weight.

周期表(1869)：所有的化学元素按它们的原子量逐渐增加的顺序有组织地排列。

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A simplified version together with a double-array 1D atomic hydrogen cluster model is presented for simulating cluster dynamics when exposed to intense light.

本文使用一维双列氢原子团簇模型对强激光场中的团簇动力学过程进行了数值模拟。

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Over a five-year period, the satellite's e2v array, allied to two telescopes and some sophisticated instrumentation that includes an atomic clock, will make an unprecedented 3D map of our Milky Way Galaxy.

BBC: A billion pixels for a billion stars