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猪的繁殖场（群）处于繁育体系的第二层，主要进行来自核心场（群）种猪的扩繁和杂种公、母猪的生产。
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It is understandable that publishers are concerned that their journals are selected by ISI for inclusion in its databasE.Indeed, it is sometimes argued that the survival of a particular journal depends on ISI' s decision to cover it in Current Contents. A journal's ultimate success depends upon its quality, distribution, and many other competitive factors including cost and timeliness. Any one of these factors, including coverage by ISI, can make the difference between success and failurE.
A journal's reputation may not tell the complete story about its impact on the scholarly community. In fact, a study on social science journals suggests quite the oppositE.Their research showed that there is a nonlinear relationship between a journal's reputation and its impact, especially at the extremes of the prestige scalE.They conclude that citation data 'permit scholars to evaluate the importance of journals based not on Opinion but on the frequency of citations' and that 'frequency of citation implies scholarly acceptance, or at least acknowledgment of importance through utilization of others' work.' The researchers go on to mention that 'journals have prestige, but their prestige is only derived from the usefulness of the articles they publish.'
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以下()建设项目适用《危化品建设项目安全许可实施办法》。
A.新建危险化学品生产装置和设施
B.改建危化品生产装置和设施
C.扩建危化品储存装置和设施
问答题
地震时使用功能不能中断或需尽快恢复的生命线相关建筑以及地震时可能导致大量人员伤亡等重大灾害后果，需要提高设防标准的建筑属于（   ）类建筑。
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