signal point indicator

例句：

1. 1.The signal point indicator is used to indicate the presence of a specific signal in the data stream.
   信号点指示器用于在数据流中指示特定信号的存在。
2. 2. In this project, we use the signal point indicator to detect and track changes in the system's performance.
   在这个项目中，我们使用信号点指示器来检测和跟踪系统性能的变化。
3. 3. The signal point indicator is crucial for maintaining the accuracy of the data analysis.
   信号点指示器对于保持数据分析的准确性至关重要。