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summation convention
释义
summation convention
summation convention
[
sə′mā·shən kən‚ven·chən
]
(mathematics)
An abbreviated notation used particularly in tensor analysis and relativity theory, in which a product of tensors is to be summed over all possible values of any index which appears twice in the expression.
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scuba
scuba (disambiguation)
scubadiv
scuba dive
scuba-dive
scuba diver
scubadiver
scuba divers
scuba-divers
scuba divers travel network
scuba diving
scuba-diving
scuba flag
scubas
scuba schools international
scuba set
scuba (submillimeter common-user bolometer array) bright quasar survey
scuba zipper bottle
scuc
scuca
scucfc
scuchin
scucisd
scucl
scud
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更新时间:2026/8/1 5:37:13