After retrofit of no. 1 circulating-water pump pole-change in Jiujiang power plant, energy saving effect is obvious, it can reduce service power rate and increase total economy of units operation.
九江发电厂1号循泵变极改造后节能效果明显，对降低厂用电率、提高机组运行整体经济性的效果显著。
2
They sighted each pole, reading off measurements that were then used to calculate the change in elevation over each increment.
他们瞄准了每个极点，读出测量值，然后用这些测量值来计算每个增量上的海拔变化。
3
Here's how the seasonal change affects the weather: Around the time of the June solstice, the North Pole is tilted toward the sun and the Northern Hemisphere is starting to enjoy summer.