英语词汇test pattern怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	test pattern
释义	test patternn.（名词） A geometric chart transmitted by a television station to assist viewers in adjusting reception.测试图：电视台播送的一种帮助观众调整接受器的几何图象
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