Objective To study the method for dose calculation and beam weight optimization of intensity-modulated radiation therapy (IMRT).

目的研究调强放射治疗(IMRT)剂量计算与射野权重优化方法。

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As a method of spanning space, the arch can support greater weight than a horizontal beam.

作为一种跨越空间的方法，拱能够承受比水平梁更大的重量。

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The essay mainly introduces the structure principle and its application for the unloading beam of the carriage weight.

本文着重介绍了刀架重量卸荷梁的结构原理及其应用。

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The heavy-duty elastic straps hook to a beam and enable users to use their body weight as resistance in movements like single leg jumps.

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