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1·There are less polluted days in Summer, the main weather background is pressure ridge control style.

夏季出现污染日较少，主要为高压脊控制型天气背景；

2·Dad pulled the car, we cart, step by step over rough ground pressure ridge, the path toward home, walked the field.

爸爸拉着车，我们推车，一步步地压过粗糙的田埂，向着回家的田间小路走去了。

3·A high-pressure ridge that has set up over the Southern Plains has been really persistent there. It has pushed a lot of active or violent weather to the east.

阿尔恩特说，“在南部平原区形成的高压脊十分顽固，引起了其东部地区活跃甚至是猛烈的天气现象。”

4·Yet the two most visible fingerprints on the Parkers' painting, Wertheim says, were virtually exact overlays of each other: the same shape, the same pressure, the same ridge patterns.

沃特·海姆称帕克夫妇画上的两个最明显的指纹，几乎可以精确的相互叠加：形状相同、力道相通，脊线模式相同。

5·Sunday will remain very mild with a ridge of high pressure building northwards again.

星期日将保持非常温和，一高压脊向北再进。

6·The warm high ridge at the middle and low troposphere and the lower pressure of the ground all provide the good circulation background of this heavy fog.

对流层中低层的暖脊和地面均压场的维持是此次大雾形成的良好环流背景。

7·This result show that Nanling ridge acts as a critical role in the establishment of DV of the lower-level temperature and pressure, which give rise to the DV of LLJ in South China .

说明南岭山脉的存在对华南低空急流的日变化具有非常明显的推动作用。

8·This result show that Nanling ridge ACTS as a critical role in the establishment of DV of the lower-level temperature and pressure, which give rise to the DV of LLJ in South China.

说明南岭山脉的存在对华南低空急流的日变化具有非常明显的推动作用。