Strang的分析被应用于所谓的带状矩阵上；带状矩阵的绝大多数项都是0；唯一的例外是矩阵中心或靠近矩阵中心的对角带。
Strang s analysis applies to so-called banded matrices. Most of the Numbers in a banded matrix are zeroes; the only exceptions fall along diagonal bands, at or near the central diagonal of the matrix.
在市郊，各种带状的和块状的商业中心星罗棋布，不久前，市中心的商店还可以勉强分得一杯羹。
Not so long ago, downtown shops could at least claim to offer an urban alternative to the strip malls and boxy stores dotted about the suburbs.
通信光缆包括中心束管光缆、层绞式光缆、带状光缆、ADSS光缆及其配线系列产品；
Fiber optic cables include central tube type FOC, tube-stranded type FOC, fiber optic ribbon cable, ADSS and series product for distribution.
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