A roll as compared to the current direction of flight.

相对于目前飞行方向的侧滚动作。

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Responding to changes in the CF echo's frequency, bats of some species correct in flight for the direction and velocity of their moving prey.

有些种类的蝙蝠会根据回声频率的变化来调整向猎物移动的方向和速度。

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In space, computers help astronauts and pilots control the speed and direction of a spaceship's flight.

在太空中，电脑帮助宇航员和飞行员控制飞船飞行的速度和方向。

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The distribution of the detectors triggered allows the direction of the Cherenkov radiation, and therefore the flight direction of the muon, to be worked out.

ECONOMIST: Neutrino astronomy

Although deliberate segregation is no longer an issue, demographic trends and white flight to rich suburbs keep pushing in the direction of a de facto segregation of schools.

ECONOMIST: The Supreme Court looks again at race in schools

The cosmic ray particle physics detector was carried to the International Space Station on the final flight of the space shuttle Endeavour and installed under NASA direction.

CNN: Space station detector gives first clues to 'dark matter'