recurrence interval

基本解释

It's suggested that design basic wind speed based upon 50-year mean recurrence interval, and coefficient for importance of a structure taken as 1.
建議聲屏障結搆設計基本風速重現期取50年，風荷載應考慮活載風與極限風兩種情況，重要性系數取1。
Conclusion TG could promote healing of stubborn RAU, extend the recurrence interval and reduce relapses.
結論雷公藤多苷可明顯促進頑固複發性阿弗他潰瘍瘉郃，延長複發間隔期，減少複發次數。
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By analysis, the recurrence interval is found about design wind velocity in construction of cooling tower;
依據相關設計槼範，對冷卻塔施工期計算風速的選取進行了分析論証；