Sentence examples for observer must be from inspiring English sources

Therefore, to understand the intentions or goals of an observed action, the observer must be able to represent the observed movement at either the goal level or the intention level, having access only to a visual representation of the kinematic level.

Each observation defines a line on the Earth's surface on which the observer must be located; several such lines give a fix, the accuracy of which is indicated by how closely these lines meet in a point.

At the Miyako observatory, seismograph observation already started in those days (Omori and Hirata 1899), hence the observer must be sensitive to accurate timing.

At the instant of the satellite's closest approach, the observed frequency is the same as that transmitted, so at that time the observer must be located somewhere along the line at right angles to the satellite's track.

However, for it to work in 3D mode, the observer must be put in just the right place.

"I wonder whether you realise how much you and the Observer must be largely responsible for Nelson's life?" Mary Benson wrote to David Astor in 1964.

Representatives of all parties and candidates, as well as independent observers, must be allowed to be present during the counting.

Party and candidate representatives, along with independent observers, must be permitted to be present and official forms with detailed results of all polling stations must be handed out and publicly posted.

Canada has improved its camouflage so much in recent years that to spot soldiers in some conditions, observers must be 40% closer than they would have to have been in 2000 .Adaptive" camouflage that changes rapidly in response to the environment is also in the works.

UN observers must be swiftly deployed to Syria or "other options" will be considered, President Bashar al-Assad was warned as western countries kept up pressure on him to maintain a shaky ceasefire and comply with an internationally backed peace plan to end the crisis.

BT.500 specifies that the observers must be non-video experts who do not work in the video industry and the number of observers should be more than 15.