return period

Using the distribution probability model and its parameters of measured annual maximum flood levels, a statistical analysis method for probability model and its parameters of flood level at different design standard and different return period for existing dikes is proposed.

利用实测历史最高洪水位的分布模型及其参数，提出了推求现有堤防工程在不同设计标准（重现期）下洪水位的概率模型及其参数的统计分析方法；

The study concludes that the municipal water has basic natures of coupling, integration, level variation and dynamic, and economic and technical characteristics of regional monopoly, quasi-public goods, externalities, capital-intensive investment and a long period of return.

研究认为城市水务产业具有耦合性、整体性、层次性和动态性的基本属性；具有区域垄断性、准公共物品性、外部性、资本密集和投资回收期长等技术经济特征。

The return of spring, and the revivification of nature, is a period hailed with uncommon delight.

春回大地, 万物复苏是令人异常喜悦的一段时光.

Taking net present value, internal rate of return, investment return period, necessary toll rate and comprehensive economic index as criteria to evaluate the ship type scheme, the optimum ship type scheme can be obtained, which will provide reference for selecting the small fishing vessel.

选用净现值、内部收益率、投资回收期、必要运费率和综合经济指标作为衡量船型方案的标准，通过分析计算得出最佳的船型方案，为小型渔货船型选择提供参考。

It is thought that the high tide level of the designing of a-hundred-year return period in the engineering point is about 0.3-0.6m higher than that of the surveying in the reference station.

认为工程点百年一遇设计高潮位比参证站实测高潮位高出约03~06m。

Simple Analyzing the Relations of the High Tide Level Between the Designing of A-hundred-year Return Period and the Surveying in the Reference Station

浅析百年一遇设计高潮位与参证站实测高潮位的关系

Application of Wind-driven Current Calculation in Return Period in Offshore The pull of the undertow can drag swimmers out to sea.

重现期法进行近岸海区风生海流计算的应用近岸回流的冲力能把游泳的人涌到海里。

The characteristics of mean return period curves of intensity are studied.

研究了烈度的平均重现周期曲线的特征.

Boussinesq Modeling of the Surf Beat in the Nearshore Zone; Application of Wind-driven Current Calculation in Return Period in Offshore

近岸低频波浪的Boussinesq模拟重现期法进行近岸海区风生海流计算的应用

Calculating return period of Meizhou spring dry with Pearson-ⅲ probability distribution

用Pearson-Ⅲ概率分布推算梅州春旱的重现期

Some types of probability distributions previously used for estimating wave height in return period are reviewed in this aper.

本文对以前使用的推算重现期波高的几种概率分布进行了评述。

New investment shall also be recovered in the return period.

新增添的投资，亦应在投资回收期内回收完毕。

Risk analysis of return period of strong wind

大风重现期的风险分析

Probing into the historical flood return period of the Guilin Lijiang river

确定桂林漓江历史洪水重现期的探讨

Calculation of a Given Return Period Simulated Typhoon at Yangtze Estuary

长江口多年一遇模拟台风的推算

Relations among frequency, return period and risk rate of hydrologic events

水文事件的频率、重现期和风险率之间的关系

A new method of return period wave height calculation

推算波浪多年一遇波高的新方法

These investors measure investment return in terms of cash flow through the operating life of a project, or for an agreed-on period that's likely to span decades, says Harter.

哈特说，这些投资者会根据一个项目的运营周期、或是一段经过商定的可能长达数十年时间内的现金流来衡量投资回报。