极性期 meaning in English
polarity epoch
Examples
- The progress of relative paleointensity of the geomagnetic field over the brunhes epoch
极性期以来地球磁场相对强度变化研究 - Which shows the studied strata includes the whole polarity period of c18n and c17n , and the partial polarity period of c19n and c16n
结果表明，研究目的层包括完整的c18n和c17n极性期和部分c19n和c16n极性期。