The in-pulse modulation feature is crucial for the classification and recognition of radiants in highly dense and complex environment.
基于信号脉内调制信息识别技术对密集和复杂环境中辐射源的分选和识别的重要性。
The meteor sky is ever changing, and it may be possible that new shower radiants will appear in the future.
流星天空不断地变化，新的流星雨很可能会出现在未来。
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