英语词汇“零集合”的读音、翻译、释义、用法及例句-集火网

词汇	零集合
释义	零集合【电】 null set
随便看	budget estimates budget executive budget for annual receipts budget for capital expenditure budget for expenditures budget forlocal government budget for revenues and expenditures budget for the coming year budget gap budget in deficit budgeting budgeting process budgeting system budgeting technique budget item budget law budget layout budget level budget making budget management budget manager budget manual budget message budget outlays budget overhead

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