The Gaussian ray bundle is similar to Gaussian beam, except that it uses a simpler method to arrive at the width of the Gaussian.

高斯射线束方法相对于高斯波束方法的改进在于它使用了一个简单的经验公式来计算声束宽度。

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Objective: To evaluate the diagnostic value and limit of anomalous muscle bundle of the right ventricle on X ray plain film.

目的：评价X线平片对右室异常肌束的诊断价值及限度。

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In a statement released on Monday, Owen's parents Joanne and Neil said their son was "a bundle of joy - our little ray of sunshine".

BBC: Owen Wightman hit-and-run: Crimestoppers offer reward