A prime meridian is an arbitrary meridian (a line of longitude) in a geographic coordinate system at which longitude is defined to be 0°. Together, a prime meridian and its anti-meridian (the 180th meridian in a 360°-system) form a great circle. This great circle divides a spheroid, like Earth, into two hemispheres: the Eastern Hemisphere and the Western Hemisphere (for an east-west notational system). For Earth's prime meridian, various conventions have been used or advocated in different regions throughout history.
A few suggestions for myself:
First, keep a friendly heart from being eroded by dirt; Second, persist in thinking and making progress, don't follow others' opinions, and don't let off steam emotionally. Third, just live today, do something meaningful, and don't be held back by boring people. Then,live seriously and go to bed early.
First, keep a friendly heart from being eroded by dirt; Second, persist in thinking and making progress, don't follow others' opinions, and don't let off steam emotionally. Third, just live today, do something meaningful, and don't be held back by boring people. Then,live seriously and go to bed early.
#每日一善[超话]##阳光信用# #每日一善#
The brightest future will always be based on a forgotten past, you can’t go on well in life until you let go of your past failures and heartaches. 光明灿烂的明天建立在忘却的过去之上。只有让以往的失败和伤心随风而去，你才能过得更好.
The brightest future will always be based on a forgotten past, you can’t go on well in life until you let go of your past failures and heartaches. 光明灿烂的明天建立在忘却的过去之上。只有让以往的失败和伤心随风而去，你才能过得更好.
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