名词
中文翻译：长向量
同义词：
['longitudinal vector', "transverse vector例句：1. The long vector of the Earth's gravity field is approximately 9.8 meters per second.（地球的重力场的长矢量大约是每秒9.8米。）2. In physics", 'a long vector is a vector that has both a magnitude and a direction.（在物理学中，长矢量是一个既有大小又有方向的向量。）']
例句：
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1. The long vector of the Earth's gravity field is approximately 9.8 meters per second.
地球的重力场的长矢量大约是每秒9.8米。
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2. In physics, a long vector is a vector that has both a magnitude and a direction.
在物理学中，长矢量是一个既有大小又有方向的向量。
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3.The long vector of the magnetic field is parallel to the north-south axis.
磁场的长矢量与南北轴平行。