Under the condition of changing premium, the upbound of ruin probability was obtained by sub-martingale property.
在保费收入可以改变的条件下，利用下鞅的收敛性，得到了破产概率的一个上界。
Inland river freight costs are historically high for a tight supply of barges, increased operating costs, and higher demand moving commodities upbound on the major rivers.
由于驳船数量有限、经营成本上升以及各主要河流的北向运输需求增加，本年度内陆河流的运费达到了历史最高水平。
With descending of the main piers foundation slab and integral moving of pier, not only the navigable dimensions meet the demand, but also the influence on upbound ships is very li.
通过下降主墩承台及整体北移桥墩，使通航尺度达到要求，且对船舶上行影响极小。
With descending of the main piers foundation slab and integral moving of pier, not only the navigable dimensions meet the demand, but also the influence on upbound ships is very li.
通过下降主墩承台及整体北移桥墩，使通航尺度达到要求，且对船舶上行影响极小。
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