冬天，地轴指向远离太阳的方向。
在夏季，地轴的北端指向太阳。
The northern end of the earth's axis points towards the sun in summer.
季节是由地轴的北端指向或远离太阳形成的。
The seasons are made by the northern end of the axis pointing towards or away from the sun.
当地轴的指向远离太阳时，得到的热量就会变少。
当你所在的城镇进入冬季时，地轴指向远离太阳的方向。
When your town has winter, the earth's axis is pointing away from the sun.
当地轴的北端指向太阳时，你所在的地方从太阳那里获得更多的热量。
Your part of the world gets more heat from the sun when the northern end of the axis points to the sun.
地轴是我们虚构的穿过地心的一个倾斜的直线轴。
The tilt of the earth's axis, that imaginary pole that runs through the center of the earth.
地轴的倾角也会周期性地变化，在22度到5度之间移动。
The inclination, or tilt, of Earth's axis also varies periodically, moving between 22 degrees and 5 degrees.
根据它（指地轴）倾斜角度的不同，季节的严酷程度也不同。
Depending on the angle it tilts at, the seasons can be more or less severe.
这些镜子可以在几千英里的高空以地球绕地轴旋转的速度运行。
The mirrors could orbit—thousands of miles high—at the same speed as the earth turns on its axis.
地轴的倾斜在一年中的某些时候朝向太阳，而在其它时间远离太阳，造成了每年的季节循环。
The tilt of Earth's axis, toward the Sun at some times of the year and away from the Sun at other times, is responsible for the annual cycle of seasons.
问题是，地球地轴已经明显的倾斜了。
The problem, though, is that the Earth's tilt on its axis has shifted significantly since then.
每二十四小时地球围绕地轴旋转一周。
It makes the earth twenty-four hours travel around its axis once.
地球一面绕太阳运行，一面绕地轴自转。
先前的地震同样改变了地轴，缩短了白天。
Earlier great earthquakes also changed the axis and shortened the day.
如果地轴不倾斜，地球上就没有季节变化。
If the earth's axis did not tilt, there would be no seasonal change on it.
地轴指向北极星，在这一圈同心圆中心附近。
The Earth's axis points toward Polaris, the North Star, near the center of the concentric trails.
也许更令人印象深刻的是地震使地轴偏移了多少。
Perhaps more impressive is how much the quake shifted Earth's axis.
当我还是个小孩时，我就知道地球绕地轴旋转。
When I was a child, I knew that the earth turns about its axis.
地球绕地轴自转。
这个周末将会更糟的多，因为能量被增加，而地轴再次开始移动。
These will be much worse this weekend as the energies are increased and the axis begins to move again.
地轴是地球质量平衡的轴线，偏离南北轴线约33英尺（10米）。
The figure axis is the axis around which the Earth's mass is balanced and the north-south axis by about 33 feet (10 meters).
白天的时长减少了1.26微秒，而地球自转的地轴也移动了8厘米。
The length of day itself was shortened by 1.26 microseconds and displaced it on its axis by eight centimeters.
如果订购地轴承架，则最小长度尺寸为阀门中心至地轴承架底座的长度。
Minimum dimension from centerline of valve to base of floorstand when ordered with position indicating floorstand.
对天文学家而言，纯净的大气层和在地轴上的位置使其成为观测天象的完美地点；
For astronomers, its pristine atmosphere and location at the earth's axis makes this the perfect place to gaze into the heavens.
对天文学家而言，纯净的大气层和在地轴上的位置使其成为观测天象的完美地点；
For astronomers, its pristine atmosphere and location at the earth's axis makes this the perfect place to gaze into the heavens.
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