The value of the datatype property "validUntil" gives the last year of validity of the area (territory or group) it is associated with.
数据型属性“有效期至”值给出了与之相关的地域（领地或者集团）的有效期的最后一年。
The year indicates the beginning of validity of that particular area.
年份表明该特定地域有效性的起始。
The value of the datatype property "validSince" gives the starting year of validity of the area (territory or group) it is associated with.
数据型属性“有效起始于”的值给出了相关地域（领地或者集团）有效起始年。
The accuracy and validity of the calculation were verified with calculation sample, and the change law of the heat transfer area varying with condensing process was pointed out.
由计算实例对其计算精度和有效性做了验证，同时指出了换热面积随冷凝过程的变化规律。
The validity of this model is proved by a case study of a typical polder area in Datong lake.
通过大通湖典型圩垸的实例计算，验证了这一模型和解法的有效性和优越性。
Based on the EMI data, geologic information and conventional logging data, the validity and permeability of the fractured reservoirs in the volcanic rocks of the area of Gu-16 well are evaluated.
通过成像测井资料并结合地质资料和常规测井资料分析，对16井区火山岩裂缝性储层有效性和渗透性进行了评价研究。
The new developed pressure calibrator can still work outside laboratory and working area to assure the validity of industrial control system by the greatest extent.
便携式数字压力校验仪在远离实验室、工作基地的现场环境仍能可靠工作，最大限度地保证了工业控制、监测系统的工作有效性。
A cluster validity function-based method is proposed for solving the problem of clustering for area geographical entities when the number of cluster is unknown.
为解决聚类数未知条件下面状地理实体的聚类问题，文中提出了一种基于聚类有效性函数的聚类方法。
In this paper, we give an analytical solution of the spherical area in the rectangular integral domain, and verify the validity of the solution under a limit condition.
在本文中，给出了方形积分区域上球面积的解析解，并在一极限条件下验证了该解析解的合理性。
I have over 90% of my net worth in BPL, and most of my family have percentages in that area, but of course, that only demonstrates the sincerity of my view - not the validity of it.
我把我自己超过90%的净值放在巴菲特合伙基金中。我大部分的家庭成员也差不多把90%的净值投入了合伙基金。当然，这只表明了我看法的真诚度，而不是证明我的看法的正确性。
The validity of this method has been further confirmed by the test results of Haicheng earthquake area.
本法的有效性用海城地震区的试验资料进一步得到证明。
Its validity is verified through arithmetic examples of IEEE30 node and a practical area network.
通过IEEE30节点算例和某地区一个实际电网算例，验证了系统及计算方法的有效性。
Its validity is verified through arithmetic examples of IEEE30 node and a practical area network.
通过IEEE30节点算例和某地区一个实际电网算例，验证了系统及计算方法的有效性。
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