本文研究的重点是对两种光束列阵模型形成的涡旋光束的传输性质的研究。
It is the keystone in the paper that we study the two models both could produce the optical vortex.
从乌拉尔经中亚到东亚存在一个西北一东南向的波列，源自乌拉尔地区的低频涡旋先是向南然后向东移动导致波列位相的转变。
NW-SE wavetrain runs from Ural to mid Asia and then to East Asia and the low-frequency vortices of Ural origin travel southward and then eastward, leading to the change in phase of the wavetrain.
1985年的波列活动显著，中高纬低频涡旋南移至日本南部洋面。
In 1985, the wave trains are active and the low frequency eddies over middle and high latitudes move to the south of Japan.
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