头部和屏幕之间的距离以及两者之间的方位关系同样是重要的风险因素。
The head's distance from the screen and position in relation to it are also important risk factors.
这也使的一些活跃的爱好者精心挑选他们电台的方位，要考虑地面导电性，这是电台是否能高效率的另外一个重要因素。
This also makes some very active hams to select their station location... based on a GROUND CONDUCTIVITY, another important factor in station efficiency.
对影响雷达方位分辨率的因素进行了分析，提出用于目标回波图像模拟的雷达波束数字化模型和相应目标散射模型。
This paper analyzes the factors affecting radar bearing resolution, provides digital beam model and target scattering model to simulate target echoes image.
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