纠缠,缠绕
发表于 2025-3-23 13:17:34
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ADORE
发表于 2025-3-23 14:53:24
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懒惰民族
发表于 2025-3-23 18:28:53
Dieter Arnoldle and unambigous interpretation. Simplifying assumptions are generarally made which limit the degree of confidence of the results obtained. As an example it is often assumed, especially in the local interstellar medium, that some quantities are constant. Among them I can list, the gas to dust ratio
碎片
发表于 2025-3-24 01:32:15
Dieter Arnoldle and unambigous interpretation. Simplifying assumptions are generarally made which limit the degree of confidence of the results obtained. As an example it is often assumed, especially in the local interstellar medium, that some quantities are constant. Among them I can list, the gas to dust ratio
restrain
发表于 2025-3-24 04:03:36
Dieter Arnoldle and unambigous interpretation. Simplifying assumptions are generarally made which limit the degree of confidence of the results obtained. As an example it is often assumed, especially in the local interstellar medium, that some quantities are constant. Among them I can list, the gas to dust ratio
庄严
发表于 2025-3-24 06:40:36
Dieter Arnoldle and unambigous interpretation. Simplifying assumptions are generarally made which limit the degree of confidence of the results obtained. As an example it is often assumed, especially in the local interstellar medium, that some quantities are constant. Among them I can list, the gas to dust ratio
Essential
发表于 2025-3-24 12:04:19
Dieter Arnoldil from the spatial database perspective; algorithms, analys.Modern applications are both data and computationally intensive and require the storage and manipulation of voluminous traditional (alphanumeric) and nontraditional data sets (images, text, geometric objects, time-series). Examples of such
Infinitesimal
发表于 2025-3-24 15:03:31
Dieter Arnoldrepresentation, organization, query processing and optimization..Due to the complexity and volume of spatial datasets, access methods are required to guarantee acceptable query processing performance. Usually, spatial access methods work on object approximation instead of the detailed object spatial
Eosinophils
发表于 2025-3-24 19:54:41
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SPALL
发表于 2025-3-24 23:53:12
case, and a number of very efficient methods have been proposed. However, in a distributed database system we have to take into consideration the communication overhead, in addition to the CPU and I/O cost, especially when the size of each object is not negligible. Four query evaluation strategies w