交通密度 [交] traffic density
- 交通密度略有下降,但仍相当于2005年的水平。
Traffic density has fallen a little, but only to 2005 levels. - 大城市的交通密度就像透镜星系的物质密度。
"The traffic density in a big city is like the mass density in a lens galaxy," Marshall said. - 您可以使用各种各样的方法模式在飞机跑道上降落,这取决于由天气、交通密度、风速等等因素决定的空中交通控制指导。
You can land on an airstrip with various approach patterns, depending on air traffic control guidelines due to weather, traffic density, wind speed, and so on.
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