Chinese translation for "unknown value"

n.未知值

Example Sentences:

	1.	A null value is useful to indicate an undefined or unknown value 空值对于指示未定义的或未知的值很有用。
	2.	Null is a special value in databases that represents the concept of an unknown value 在数据库中，null是一个特殊值，表示未知值的概念。
	3.	In addition, unknown values are allowed for the property names, and their values are not validated by the jdbc driver for case sensitivity 此外，属性名允许使用未知的值，jdbc驱动程序不会对这些值进行大小写验证。
	4.	Electro motive strain is a common method used to measure the maximum strain in stress concentration district, or mostly to extrapolate certain unknown value of stress utilizing some known value 应变电测法是测量应力集中区最大应变值的一种比较常用的方法，主要是利用某些可测点的值去推测不可测点的值，即通常所说的外推法。
	5.	Making use of multivariate statistica1 analysis method of mathematical statistics, the ration composite abnormity mode1 is established . we express dispersed geochemical exploration data in image form, and make optimum estimates of unknown values with known values 本文运用数理统计中的多元统计分析方法，建立定量组合异常模型，将离散型的化探数据表达成图像形式，利用己知值对未知值作出最佳估计。
	6.	This theory based on known parameters located at entrance and exit of each unit in the system, adjusts the unknown value of exergy cost back and forth and makes them convergent . the existence of convergence has been proved and meanwhile it achieves that the sum of local optimization becomes system optimization on chain energy systems 本理论基于给定的系统端点的已知参数，夹挤与调整单元的边际火用单价使之收敛，使得局部或单元的热经济优化结果成为系统总体的优化结果，并在数学上证明了它的收敛性，从而使热经济孤立化在链式系统具有实用性。

Similar Words：

"unknown to" Chinese translation, "unknown to fame" Chinese translation, "unknown to sb" Chinese translation, "unknown trees" Chinese translation, "unknown unknown" Chinese translation, "unknown variable" Chinese translation, "unknown warrior" Chinese translation, "unknown wealth" Chinese translation, "unknown-input observability" Chinese translation, "unknownly" Chinese translation