1) field of definition for variety
簇定义域
2) domain of definition
定义域
1.
People are likely to overlook in teaching the essential factor that the domain of definition of function concept is just the nonempty set of number.
在函数概念教学中 ,往往容易忽略其定义域为非空数集这一要素 。
3) domain block
定义域块
1.
The searching computation of the best matched domain block is most heavy in the fractal encoding process.
在分形编码过程中 ,搜索值域块的最佳匹配的定义域块的计算量最大。
2.
In fractal block coding, the one by one matching procedure between the range block and the domain block in a pool of domain blocks is extremely time-consuming.
在分形块编码中，值域块与定义块池中的定义域块逐一匹配过程极其费时，为了大大地缩短分形编码的时间，将定义域块和值域块的匹配限制在以值域块的均值和方差作为中心的动态窗口中。
3.
In fractal coding, the matching procedure between the range block and domain block in a pool of domain blocks one by one is time consuming.
将多尺度分析的思想引入到值域块与定义域块匹配过程中，预先剔除掉在粗尺度下与值域块不匹配的定义域块，相对减少了在细尺度下与值域块匹配的定义域块。
4) field of definitions
定义域
1.
Through the introduction of function concept, the essay attaches importance toanalyzing how to express the field of definitions and values and the implication of relationalexpression showed by graph of function.
通过函数概念的引入,着重分析定义域与值域的表达,以及函数图像所表示的关系式的含义。
5) definition domain
定义域
1.
This paper gave a simple computing rule for the derivative of exponential power functions and discussed the changes of function definition domain caused by logarithm derivation.
对幂指函数的导数公式提出一个简明易记的计算法则,并对对数微分法所引起的函数定义域的变化进行了讨论。
2.
The definition domains of the moment equation, the approximate differential line of deflection equation and line of deflection equation in Material Mechanics are quite different.
《材料力学》中出现的弯矩方程、挠曲线近似微分方程、挠曲线方程的定义域不尽一致。
6) the domain block
定义域块
1.
According to the feature that the domain block is in one-to-one correspondence with the least mean square error (LMSE) in fractal coding, a multi-pose-and-expression face retrieval method is proposed in this paper.
利用图像分形编码中定义域块和最小均方误差一一对应的特点 ,提出了 1种基于分形编码的多姿态、表情的人脸图像检索方法。
补充资料：定义域
定义域
domam of definition
定义域冲翔.加of山』川自阅;06月aeT‘onp切即e.，:]，函数的 一个集合，所考虑的函数是在这个集合上给出的;即一切元素x的集合X，函数f使每个x‘X对应于另一个集合Y的元素y.因此，如果f:x~y，则X称为函数f的定义域.J’I.八.Ky月p朋日eB撰【补注】如果X表示f的定义域，则f的值的集合即f(x)，称为f的值域(m飞eof明目比留). 张鸿林译
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条