With the open-access publishing model, the author of a paper is required to

A．cover the cost of its publication.

B．subscribe to the journal publishing it.

C．allow other online journals to use it freely.

D．complete the peer-review before submission.

[单选题]With the open-access publishing model, the author of a paper is required toA．cover the cost of its publication.B．subscribe to the journal publishing it.C．allow other online journals to use it freely.D．complete the peer-review before submission.

[单选题]With the open-access publishing model, the author of a paper is required to[A] cover the cost of its publication.[B] subscribe to the journal publishing it.[C] allow other online journals to use it freely.[D] complete the peer-review before submissio

[名词解释] 模型（Model）

[单选题]The spiral model is a software development model combining elements of both

[单选题]Is a programming model and an associated implementation for processing and generating big data sets with a parallel, distributed algorithm on a cluster.The model is a specialization of the split-apply-combine strategy for data analysis().A．HDFSB．Chuk

[单选题]Relational Model表示（）。A . 关系模型B . 数据结构C . 网络D . 实体

[单选题]Data Model表示（）A . 数据模型B . 文件C . 因特网D . 记录

[单选题]The OS！( ) model， sometimes also called ISO or 7 layers reference model for

[名词解释] open fracture

[单选题] OSI is a theoretical model that shows how any two different systems can communicate with each other．Router, as a networking device, operate at the (71) layer of the OSI model．(71)A．transportB．applicationC．networkD．physical