...要注意SEG 所定义的极性标准（SEG polarity standard 1993)是正常极性(normal polarity)和反正常极性（reverse polarity）；它与我们所说的正极性剖面（positive polarity）负极性剖面（negative polarity）是两个概念...
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edm with normal polarity 正极性加工
normal polarity machining 正极性加工
normal-polarity interval 正常极性间隔
Brunhes normal polarity chron 布容正向极性期 ; 布容尼斯正向期
Gauss normal polarity chron 高斯正向极性时
Bmnhes normal polarity ehron 布容正向极性时
normal polarity zone 正极性带
Invers normal polarity 反正常极性
normal polarity armature 正极性衔铁
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American SEG defines seismic record polarity as SEG normal polarity and SEG reverse polarity.
美国SEG协会把地震剖面的极性规定为SEG正常极性和SEG反正常极性。
Normal cells form similar, well-organized acinar structures in vitro, whereas in highly metastatic epithelial cell lines these structures are disorganized and lack polarity.
体外试验中，正常细胞形态相似，腺泡结构排列整齐，然而那些高侵袭的上皮细胞系的结构紊乱并且失去极性。
Due to the high polarity of vinyl ester chemistry, it is known to be difficult to control the rheology with normal thickening additives or hydrophilic fumed silica.
但由于乙烯基酯树脂的高化学极性，用普通增稠剂和亲水性气相法二氧化硅对其实现很好的流变性控制是相当困难的。
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