格网方位角 grid bearing ; [航] [水运] grid azimuth
方格偏角 grid deflection angle ; gisement ; grid declination
磁方格偏角 magnetic grid variation
方格方位角 grid azimuth
方格方向角 grid bearing
方格偏角图 grid declination diagram
方格磁角 grid magnetic angle
严格三角方阵 strictly triangular matrix
汽车风格带方向盘角 automotive style with steering wheel corners
为了测试o能够运作，点击Play O按钮，然后选择一个角上的方格，如图7所示。
To test that the Os work, click Play o and select a corner square as in Figure 7.
如果从这个方格上的四个角到目标所在方格指定的一角上所有直线都是通畅的，那么目标就没有掩护。
If all lines are clear from that corner to all the corners of all squares of the target's space, the target does not have cover.
如果从这个方格上的四个角到目标所在方格指定的一角上所有直线都是通畅的，那么目标就没有掩护。
If all lines are clear between the four corners of that square and the corners of a specific square in the target's space, the target does not have cover.
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