释义 |
WordReference Random House Unabridged Dictionary of American English © 2024Manhat′tan Proj′ect, - Government[U.S. Hist.]the unofficial designation for the U.S. War Department's secret program, organized in 1942, to explore the isolation of radioactive isotopes and the production of an atomic bomb: initial research was conducted at Columbia University in Manhattan.
- extracted from U.south, southern. Army Corps of Engineers Manhattan District and DSM (Development of Substitute Materials) Project
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