名词
中文翻译：反射回声模式同义词
同义词：
['reflection echopattern', 'echo pattern reflection', 'echo patternreflection pattern']
例句：
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1. Theengineer used a reflecting echo pattern toimprove the accuracy of his measurements.
工程师使用反射回声模式来提高他测量的准确性。
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2. Thesound waves reflected off the surface and createdan echo pattern that could be heard froma distance.
声波在表面反射，形成了一个可以从远处听到的回声模式。
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3. Thescientist observed the patterns in the reflected echoand determined the speed of sound in themedium.
科学家观察了反射回声中的模式，并确定了介质中声速的速度。