英语词汇polarity mark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	polarity mark
释义	polarity mark 简明释义极性标记网络释义短语 1 polarity mark plate 极性标记板 2 DC polarity mark 直流极性标志 3 polarity mark detail 极性标记双语例句 1 Open the battery box, install three AAA batteries according the polarity mark in the battery box. 打开电池盖，按电池盒上标识的电池极性装入三节七号电池。 2 One of these polarity flip-flops, known to have occurred 4.18 million years ago, left its mark in sediments in the CAC. 这种磁极颠倒在418万年前曾发生过一次，CAC地区的沉积物中就留下了这次颠倒发生过的痕迹。
随便看	loudmouthed praises loudmouths loudmouths loudness loudness analyzer loudness balance loudness balance phenomenon loudness balance test loudness compensation loudness contour loudness contour loudness-contour selector loudness contour selector loudness control loudness control circuit loudness control switch loudness density loudness difference limen loudness discomfort level loudness discrimination loudness efficiency factor loudness loudness evaluation loudness function loudness index

英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。