Wu county, 116 kilometers, the earthquake epicenter distance is 169 km from downtown kashgar, urumqi city 1238 kilometers.
此次地震震中距离乌恰县城116公里，距离喀什市区169公里，距离乌鲁木齐市1238公里。
The method creates a radial grid with the station as the grid center, and searching is made with varied steps in epicenter distance and azimuth.
该方法以台站为中心，建立辐射状网格，按可变震中距步长和方位角步长进行搜索。
At last, taking one earthquake as an example, this paper gives three dimension patterns of radius of the field with epicenter distance and azimuth as well as frequency.
最后，以一次地震为例，给出了孔径随震中距、方位角、频率变化的三维图象。
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