杨元喜还对“GNSS互操作性的定量评估”表示赞同，并指出，对于多系统接收机而言，普遍的最大/最小接收功率电平可以改善信噪比环境。
Yang argued for a “quantitative evaluation of GNSS interoperability, ” noting that common maximum/minimum received power levels can improve the signal-to-noise environment for multisystem receivers.
如果注明存在理解问题，则表明需要进一步评估可用的元数据。
Where issues of understanding are noted, this indicates the need for further assessment of the available metadata.
应该使用元数据完整性分析和域分析来评估哪些源属性适合确定的目标属性。
The metadata integrity analysis as well as the domain analysis should be used to assess which source attributes fit with the identified target attributes.
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