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- The results indicate that the B/M boundary appears at the top of L7 and that the Jaramillo normal polarity subzone of the Matuyama negative polarity zone appears in the lower part of the section. 结果表明，B/M界线出现在L7的底部，并且在剖面下部出现了松山负向期的贾拉米洛正向极性亚带。
- magnetostratigraphic polarity zone 磁性地层极性带
- The two systems of government are polar opposites. 这两种政体正好相反。
- Paleomagnetic measurements demonstrate that the Jijiagou section which is the stratotype one of Baode Stage of the Neogene in China records 12 normal and 11 reversed polarity zones. 古地磁测量表明,中国新近系保德阶界线层型,山西保德冀家沟剖面记录了12个正极性段与11个负极性段。
- Most insect do not live in polar region. 大多数的昆虫不在极地地区生存。
- The Norwegians live in a comparatively cold zone. 挪威人生活在比较寒冷的地区。
- Are there any animals in the polar circles? 南极圈和北极圈内有动物存在吗？
- Supplies were parachuted into the earthquake zone. 救援物资已空投到地震区。
- Some people live in Torrid Zone. 有些人生活在热带。
- Located or found in one of the Polar Regions. 环极的，围绕极地的位于或发现于一个极地区域中的
- I'd like to see Europe as a nuclear-free zone. 我希望欧洲成为无核区。
- The troops detrained near the battle zone. 部队在战区附近下了火车。
- In spite of vigilance a polar bear escape from the zoo. 尽管警戒很严，北极熊还是逃出了动物园。
- The polar region is the habitat of the polar bear. 北极地带为北极熊的栖息地。
- They are pulling their troops out of the battle zone. 他们正把部队调离战区。
- Note the polarity of the voltage drop across R. 注意R上电压降的极性。
- Although they can swim, the polar bears are terrestrial animals. 北极熊虽然会游泳，但也是陆栖动物。
- They have declared their country a, nuclear-free zone. 他们宣布本国为无核区。
- In spite of vigilance a polar bear escaped from the zoo. 尽管警戒很严，北极熊还是逃出了动物园。
- The polar bear's habitat is the icy waters of the Arctic. 北极熊的栖息地是冰冷的北极海域。
