Ensure a clean, neat square field.

确保广场场持干净、整洁。

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Objective to explore a rapid method of calculating an equivalent square field for irregular photon beam fields.

目的探讨一种快捷、准确求光子束不规则射野等效方野的方法。

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The company's data, which cover both Europe and the Americas, break field productivity down into patches just five metres square.

而他们公司的数据，包括欧洲和美洲，能够将土地产量细分到五平方米。

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Many of the semi-finalists' redesigns are as simple as adding multitouch gestures or bending the traditionally square playing field into a more circular court, but a few ambitious developers mixed it up with 3D playing fields, anthropomorphic paddles or augmented reality multiplayer.

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The Games will also be screened along with live entertainment at Trafalgar Square and at Potters Field by City Hall, bringing further travel congestion.

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During the FDA review that included reports from 30 participants using the device, the agency found that most patients performed basic tasks, like touching a square in a white field, better with the Argus II than without it and that 19 of the participants experienced no adverse effects to the surgery.

CNN: FDA approves first bionic eye