Compared with the role of the feedforward projection, much less is known concerning the functional roles of the feedback projection.
视觉皮层是研究反馈投射通路的较好模型，其下行反馈的投射涉及注意、搜索和认知等高级功能。
NO may be of great significance in maintaining the stabilization and functional roles of pulp and be related to the potential ability of pulp self-repair.
NO对于维持牙髓组织自身稳定，以及在牙髓自身修复过程中可能发挥重要作用。
The functional roles of the NaChs were tested by observing the effect of tetrodotoxin, a specific blocker of NaChs, on the intrinsic heart rate of isolated rat working heart.
建立大鼠离体灌流心脏模型，观察钠通道特异性阻断剂河豚毒素对离体灌流心脏自发性节律即固有心率的影响。
These interfaces encapsulate the responsibilities of the roles (service or requisition functional capabilities or operations).
这些接口封装了角色(服务或者请求功能或者操作)的职责。
Many of these programs are perfectly functional in their roles and need no particular change, except that they run on dying hardware.
这些程序中的许多在其所担当的角色中都完美地运作着，而且除了运行它们的硬件发生老化以外，并不需要特别更改。
This reality has sparked and accelerated new scientific discoveries through the intersection of different fields about the functional roles and molecular features of mitochondrial behaviors.
这一现实已经引起并加速通过线粒体行为的职能作用和分子特征的不同领域的交叉科学新发现。
Therefore, RIP1 is probably a nuclear protein that may form a functional complex with other proteins and carry out essential cellular and developmental roles during the late stage of pollen formation.
因此，RIP1可能是一个核蛋白，与其他蛋白形成一个功能复合体，在花粉形成的晚期发挥重要作用。
Alcohol and acetaldehyde altered fluidity of VYS and lead to functional disorder, this probably plays important roles in human fetal alcohol syndrome induced.
乙醇，乙醛均能改变VYS细胞膜脂质流动性引起VYS细胞功能紊乱，它很可能在诱发胎儿酒精综合征起重要作用。
Internal repeating segments in proteins may play important roles in functional evolution of proteins.
蛋白质内部重复片段在蛋白质序列进化的过程中具有重要意义。
Since mutants may play important roles in functional genomics research, obtaining a large of mutant strains with manually induced mutations is a very important strategy.
突变体是功能基因组学研究的重要材料，因此，通过人为诱导获取大量的突变系统是及其重要的手段。
Functional Departments have key organizational roles in comprehensive hospital. Effective assessment of functional department becomes an important link of modern hospital management.
职能科室在综合医院中具有重要的组织作用，因此，对职能科室工作的有效考核，是现代医院管理的重要环节之一。
Functional Departments have key organizational roles in comprehensive hospital. Effective assessment of functional department becomes an important link of modern hospital management.
职能科室在综合医院中具有重要的组织作用，因此，对职能科室工作的有效考核，是现代医院管理的重要环节之一。
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