valid spherical cell 有效球面单元
The Version 6 mixed release cell administration logic USES this information to determine which administrative functions are appropriate and valid for a given resource on a particular node.
混合了版本单元管理逻辑的版本6使用这些信息来决定在特定节点的给定资源上，哪个管理功能是合适和有效的。
Sampling and interviewing respondents by cell phone is now a necessity if telephone surveys are to provide valid, reliable and representative data.
如果想通过电话调查提供有效、可靠和有代表性的数据，现在有必要开展移动电话抽样和采访工作。
The cell type also has an attribute that represents whether the cell is valid based on the row, column, and grid requirements, as shown in Figure 7.
单元格类型还有一个属性，它根据行、列和子网格限制表示这个单元格是否有效，见 图 7。
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