根据该团队的理论研究，磷原子对锗的掺杂“在每立方厘米加入1020个原子效果最好”，Kimerling解释道。
According to the group s theoretical work, phosphorous doping works best at 1020 atoms per cubic centimeter of germanium, Kimerling explains.
铝，重约169磅每立方英尺，理论上可以替代铜。
Aluminum, which weighs about 169 pounds per cubic foot, could theoretically be substituted for copper.
第2章介绍了数据仓库技术的概念并给出了数据立方体的理论基础。
Chapter 2 of data warehouse technology and the concept of a data cube is the theoretical foundation.
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