top bracing

基本解释

Vibration test shows that the maximum acceleration response at the bracing top is not related to earthquake magnitude and its frequency characteristics since its sliding force remains unchanged.
动力试验表明，由于耗能支撑滑动荷载不变，它的顶点最大加速度反应同地震大小及其频率特性无关。
4 bridges shall be deck type, through type or hybrid type ( with or without bracing ). for through or hybrid type with top bracing, the minimum vertical clearance shall be 4880 mm ( 16 ' - 0 " )"
钢架桥为层式设计，直通式或复合层（可带或不带支柱）。直通式或复合式要带顶部支柱，水平空间最小为4880毫米（ 16英尺）。
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Internet search giant Google is bracing for a fine that could top $500 million, after a federal probe of illegal online pharmacy ads placed on the website over the past three years, CNN has confirmed.
经过美国联邦政府长达三年的关于网络药物广告的调查之后，CNN最近证实网络搜索巨头谷歌即将面对一项高达5亿美元的罚单。