high latitude

The phenomenon that rivers freeze in high latitude and cold regions is universal.

摘要高纬度寒冷地区的河流在冬季结冰是一种普遍现象.

The sinking divergence air current resulted from high-latitude wind in the west to continental thermal depression is the ultimate cause to form subtropical arid region.

大陆热低压西边的高纬风使对流层中、下层出现下沉辐散气流，是副热带旱区干旱的根本原因；

At high latitude, it is difficult to get enough oxygen.

在海拔高的地方, 很难得到足够的氧气.

Formation of glacier worldwide is all related with high sea level and high latitude.

全球所有冰川的形成均与高纬度和高海拔密切相关.

ⅲ area called high temperature section lies in the south of latitude 26 degrees north, where the average temperature of January is not lower than 8 ℃.

Ⅲ区为高温区，地理位置在北纬26°线以南，位于一月份平均气温8℃线以南的区域。

But High-latitude Tieling and Jinan populations did not get good acclimation effect. ( 4) The developmental threshold temperature and effective accumulated temperature of 4 populations were analyzed with the liner regression method and the optimum seeking method.

而北方的铁岭、济南种群的低温驯化效果不显著。（4）应用直线回归法和直接最优法计算了中华稻蝗4地理种群卵的发育起点温度和有效积温。

Rivers in high latitude areas usually form ice cover, ice jam or ice dam during winters.

高纬度地区河流冬季常形成冰盖 、 冰塞或冰坝.

The tendency equation of disturbance energy is used to discuss the stability of disturbance in the different latitude zones over the Northern Hemisphere, and obtains that the disturbance energy decreases with time in middle and high latitudes over the Northern Hemisphere.

本文还用扰动能量发展方程讨论了北半球各纬度带扰动的稳定性问题，得出在中高纬度地区扰动的能量随时间是递减的，它满足了扰动稳定的充分条件。

Analyzing synoptic scale system, we demonstrate that the mid-latitude cold vortex and subtropical high play major roles in the process of tropical cyclone intensification.

首先通过对大尺度环境场的分析，来阐述这次风暴加强过程中，中高纬冷涡以及副热带高压系统等外部因素的作用。