To the moving observer on the train, the circle of light expanded equally on all sides.

对于火车上的观察员来说，光圈是匀速向各方面扩展的。

youdao

By maneuvering equivalent, the multiple stationary observers bearings-only system is transformed into a special single moving observer problem.

通过运动等效，将多静止站系统转化成一个特殊的单运动测向站问题。

youdao

TO realize passive location and tracking for moving emitters with a single non-moving observer, TOA and DOA measurements are utilized traditionally.

实现固定单站对运动辐射源无源定位，传统的方法是测量toa和DOA。

youdao

If I am an inertial observer, another person moving relative to me at constant velocity will also be an inertial observer.

如果我是惯性观察者,那另一个相对于我做匀速运动的人,也是一个惯性观察者

耶鲁公开课 - 基础物理课程节选

He worked as a correspondent for the Sunday Times and the Observer, before moving into television in 1958.

BBC: Author Robert Kee dies aged 93

The campaign is moving regardless of whether Lehman finds a buyer, The Observer reported, citing so-called "well-placed sources" within the company, which claim with certainty that Fuld will have to step down before the New Year.

FORBES: Lehman Loses Confidence

His explanation of relativistic time dilation, which causes fast-moving clocks to appear to be running slowly when viewed by a stationary observer, is exemplary.

ECONOMIST: The quest to explain the structure of the universe