reverse polarity

A preliminary study of the magnetostratigraphic column suggests that the upper and lower parts separated at a depth of 386. 0 m from the surface belong to the Gauss normal polarity chron and the Gilbert reverse polarity chron respectively.

磁性地层初步研究表明，以距顶深度386.0m处为界，以上为高斯正向极性带，以下为吉尔伯特反向极性带。

From sparking plug lead, reverse polarity protected.

从引发插件铅, 反向极性保护.

The end electrical field distribution under polarity reverse test voltage of valve winding in converter transformer is calculated. The results are analyzed.

计算了换流变压器阀侧绕组在极性反转试验电压下端部电场的分布情况，并对计算结果进行了分析。

Nonpolar, standard, used in polarity reverse and change circuits.

无极性产品, 标准品, 用于极性翻转或极性变换的电路中.

The high current, low voltage, reverse polarity, oxidative shielding gas, thick wire are the essential conditions of formation of the buried are, the high current being the most important factor.

大电流、低电压、粗焊丝、反极性和氧化性气氛是形成潜弧过程的必要条件，其中电流是最重要的条件。