极性标记
polarity───n.[物]极性；两极；对立
polarity fortnite───极性金刚砂
polarity technologies───极性技术
polarity meaning───极性意义
polarity management───极性管理
mark───vi.作记号；打分数；使有污点；vt.做标记于；打分数；使有污点；标明方位；庆贺；赋予特征；表明；注意；盯人防守；n.标志；符号；痕迹；分数；n.（Mark）马克（人名）
polarity definition───极性定义
polarity skin───极性皮肤
coniine polarity───圆锥极性
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。
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。
glass mat tube spacing washer reinforced fiber separator polarity mark plate───玻璃纤维绵玻璃纤维绵管间隔垫圈强化纤维隔板
Open the battery box, install three AAA batteries according the polarity mark in the battery box.