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单词
triangular matrix
释义
WordReference Random House Unabridged Dictionary of American English © 2024
trian
′
gular ma
′
trix,
[
Math.
]
a square matrix in which either all the entries above the principal diagonal, or all the entries below the principal diagonal, are zero.
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d.j.s
d.j.t.
dk
dkg
dkl
dkm
d/l
dl
d layer
d. lit.
d. litt.
dlitt
d.l.o.
dlr.
dlr
dlrs.
dlrs
d.l.s.
dlvy.
dlvy
dm
dma
d-mark
d.m.d.
dmdt
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更新时间:2025/11/11 4:34:15