Tardiness (scheduling)
http://dbpedia.org/resource/Tardiness_(scheduling)
中，延遲時間（tardiness，或延遲）衡量某工作實際完成時間，與應完成時間（交期）相比，延誤多少。 同理提早時間（earliness，或早交時間）衡量實際執行時間比交期提早多少。各項工作之間可能互相依賴，即某項工作的前提可能是另一工作已完成。工作亦受限於所需設備是否可用。 排程問題的例子包括製造業生產流程，以及資訊傳輸和處理的排程。 就製造業的庫存管理而言，延遲與提早皆不理想。延遲導致工作積壓，並要因誤期違約賠償顧客，損失商譽。相反，提早則會佔用倉庫，提高成本，阻礙資本流動。 數碼訊號處理亦會考慮延迟的時長，即滞后于的时间。其平均值稱為平均延遲，是表示的参数。
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In scheduling, tardiness is a measure of a delay in executing certain operations and earliness is a measure of finishing operations before due time. The operations may depend on each other and on the availability of equipment to perform them. Typical examples include job scheduling in manufacturing and data delivery scheduling in data processing networks.
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Tardiness (scheduling)
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延遲 (排程)
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49976857
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1014241158
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In scheduling, tardiness is a measure of a delay in executing certain operations and earliness is a measure of finishing operations before due time. The operations may depend on each other and on the availability of equipment to perform them. Typical examples include job scheduling in manufacturing and data delivery scheduling in data processing networks. In manufacturing environment, inventory management considers both tardiness and earliness undesirable. Tardiness involves backlog issues such as customer compensation for delays and loss of goodwill. Earliness incurs expenses for storage of the manufactured items and ties up capital.
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中，延遲時間（tardiness，或延遲）衡量某工作實際完成時間，與應完成時間（交期）相比，延誤多少。 同理提早時間（earliness，或早交時間）衡量實際執行時間比交期提早多少。各項工作之間可能互相依賴，即某項工作的前提可能是另一工作已完成。工作亦受限於所需設備是否可用。 排程問題的例子包括製造業生產流程，以及資訊傳輸和處理的排程。 就製造業的庫存管理而言，延遲與提早皆不理想。延遲導致工作積壓，並要因誤期違約賠償顧客，損失商譽。相反，提早則會佔用倉庫，提高成本，阻礙資本流動。 數碼訊號處理亦會考慮延迟的時長，即滞后于的时间。其平均值稱為平均延遲，是表示的参数。
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2434