urban canyon effect

常见例句

双语例句

• Under the urban conditions common in Hong Kong, the street canyon effect works to potentiate pollutant build-up during peak-traffic periods.
  在香港这种典型的城市环境之下，街道峡谷效应可使空气污染物在交通高峰期积聚。

权威例句

• In-car GPS developers have long had to wrestle with the urban canyon effect that blocks or bounces signals downtown: they often have to make best guesses for accuracy when they can't count on cellular or WiFi triangulation to pick up the slack, like a smartphone would.
  ENGADGET: New in-car GPS tech uses motion sensors for accurate, autonomous city driving
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