The direct design approach is applied not only in the simple-span beams with external post-tensioning, but also in the multi-span frame beams.
直接计算方法不但对简支梁适用，对比较普遍的多跨框架梁，而按单跨进行体外索布索加固的情形也是可行的。
It may span multiple plug-ins, making inclusion of only required content a simple matter.
它可能横跨多个插件程序，仅包含需求内容的单一事件。
Keep the structure of each patch simple (single span surfacing) to assure they are easy to control!
保持结构简单，每个补丁(单跨堆焊)，以确保它们很容易控制！
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