design_recurrence_interval_有道手机词典

1.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.
建议声屏障结构设计基本风速重现期取50年，风荷载应考虑活载风与极限风两种情况，重要性系数取1。
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