名词
中文翻译:正常线
同义词:
['norm', 'standard', 'normative']
例句:
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1.The normal line of a river is the level it crosses at its widest point.
河流的正常线是它在最宽处穿过的水平面。
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2. The normal line for this type of car is 50 miles per hour.
这种车型的正常行驶速度是每小时50英里。
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3. The normal line of sight is 60 degrees from the horizon.
正常视线是从地平线向上60度。