Liu will head to Beijing on Thursday for the unveiling of a new apparel linebearing his name, produced by one of his major sponsors.
周四，刘翔将前往北京，参加冠有他名字的新运动服的发布会，该运动服是他的一个主要赞助商制造的。
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Gerardus Mercator's projection, published in 1569, was immediately useful because it depicts a line of constant bearing as a straight line, which is handy for Marine navigation.
In many places cities have been built just above a so-called "malaria line", above which malaria-bearing mosquitoes cannot survive (Nairobi is one example).