south-subtropics 南亚热带
Betula alnoides and Betula luminifera are deciduous arbors,which belong to Betulaceae,Betula. They are excellent fast-growing local hardwood species in tropics and south subtropics of China.
西南桦(Betula alnoides)、光皮桦(Betula luminifera)均为桦木科(Betulaceae)桦木属(Betula)落叶乔木,是我国热带、南亚热带地区的优良速生乡土阔叶树种。
参考来源 - 西南桦、光皮桦杂交育种研究初探·2,447,543篇论文数据，部分数据来源于NoteExpress
Based on 4634 cows initial breeding data form different breeding seasons in the climatic south subtropics. The influence of temperature and humidity on concept rate(CR) of cows has been analysis.
选取4634头次不同配种季节奶牛的原始配种资料，统计分析气温和湿度对奶牛受胎率的影响。
Especially in the south tropics, subtropics area.
尤其在南方热带、亚热带地区。
Over the most regions south of the northern subtropics, both air temperature in the lower troposphere and SST tended to rise compared with the strong stage of EASM.
在北亚热带南部大部分地区，无论是在对流层低层空气温度和SST呈上升趋势相比，东亚夏季风强的阶段。
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