创建一个新的Array时将用到map函数，保持原始的数组内容不变，实际上大多数函数性程序员都喜欢这种方式。
The map function would be used where a new array was to be created, leaving the original array contents untouched, which is actually the way most functional programmers would prefer to operate.
基于进入系统的时间，写操作具有幂等性(不管操作多少次结果都不变的性质，比如取绝对值的函数就具有幂等性)和交换性(操作顺序不影响结果，比如加法就具有交换性)。
Write operations are idempotent and commutative, based on the time they enter the system.
在这一部分中，我讨论的是函数式编程的基石之一：不变性。
In this installment, I discuss one of the building blocks of functional programming: immutability.
注意，选项是步骤的函数签名的一部分，它们的名称都是不变的。
Note that options are part of the functional signature of a step, and their names are invariant.
假设未来预期收入保持不变，画一个以家庭消费与库存现金的函数图---库存现金等于目前的收入加上流动资产。
Suppose we were to graph a household's consumer spending as a function of cash-on-hand, which equals current income plus liquid assets, holding constant expected future income.
不变性是函数式编程的关键，因为它与尽量减少变化部分的这一目标相一致，这使得对这些部分的推断更为容易一些。
Immutability is key to functional programming because it matches the goals of minimizing the parts that change, making it easier to reason about those parts.
当然，函数的二阶项，可以看出，实际上发生了变化的，函数并不是真的不变了。
Then, of course, there will be maybe quadratic terms that will actually turn that, you know, this won't really say that your function is actually constant.
另一种方法是，函数值不变的方向是,是与等值面相切的方向。
The other way to think about it, the direction in which the value doesn't change is a direction that's tangent to the level surface.
就是说，如果我们对,混合物的△,对压强求导，温度不变，当然，不是对压强的显函数。
That is, if we take the derivative G of delta G of mixing the partial derivative with respect to pressure, at constant temperature, of course, there's no explicit pressure dependence.
RubyDevelopmentTools (RDT)插件的名称及查找代码的位置已经发生变化，但是基本函数和许可条款在本质上保留不变。
The name of the Ruby Development Tools (RDT) plug-in and where to find the code have changed, but the basic function and licensing terms have remained essentially unchanged.
如果对调用进程中不允许的能力设置cap _ p的任何标志，那么这个函数就会失败，进程的能力状态保持不变。
If any flag in cap_p is set for any capability not currently permitted for the calling process, the function will fail, and the capability state of the process will remain unchanged.
对生成器函数的第二次(或第n次)调用跳转至该函数中间，而上次调用的所有局部变量都保持不变。
Calling a generator function a second (or NTH) time jumps into the middle of the function, with all local variables intact from the last invocation.
文中引入了一类广义不变凸函数，对一类变分问题给出了最优解的充分性条件以及对偶理论。
The generalized invex functions are introduced and the optimality theorems and duality theory are established for a class of variational problems.
本文从理论上阐明用不变量导出的相对稳定度函数或其比值作为点在基准中的份量是符合对基准选择之要求的。
This paper expounds in theory that, we may use the relative stability or their ratio caused by UNVARIABLE as the proportion of the point on datum, which accords with the demands for choice of datum.
通过找出两端边界层的不变流形，并且给出边值条件解耦的条件，成功构造了边界层函数。
Boundary functions are successfully constructed through finding out invariant manifolds at both end boundary layers and giving out decoupling conditions of boundary value conditions.
本文使用不变加权面积平均值性质刻画了单位圆盘内的调和函数。
In this paper, we give a condition for harmonic functions in the unit disk by invariant weighted area-mean-value property.
在黎曼流形上分别给出了伪不变凸函数和弱向量似变分不等式的概念。
The definitions of pseudo-invex function and weak vector variation-like inequality on Riemannian manifolds are presented.
双谱是一种平移不变的特征，含有丰富的相位信息，但它是二维函数，不利于模板匹配。
Bispecra is a translation-invariant character, contain abundant phase information, but it is two dimension, and misfit board match.
通过构造函数及根据不变集原理证明了无病平衡点和地方病平衡点的全局渐近稳定性；
Then the disease-free equilibrium point and endemic equilibrium point were proved with global asymptotic stability by constructing functions and basing on the invariant set principle.
通过不变量算子的产生和湮灭算符，得到波函数和几率密度。
The wave function and probability density are obtained by the creation and annihilation operators of the invariant operator.
给出了有限频带函数利用平移不变算子的逼近与恢复。
Approximation and recovery of band-limited functions from shift-invariant operators is studied.
函数的作用是用“自然排序”算法对数组排序。数组内所有值的键保持不变。
The natsort() function sorts an array by using a "natural order" algorithm. The values keep their original keys.
线性保持问题(简称LPP)刻画在矩阵空间上保持特定的函数，子集，关系等不变的线性算子。
Linear preserver problem (LPP for short) concerns the characterization of linear operators on matrix Spaces that leave certain functions, subsets, relations, etc.
离散光电成像系统因其不再具有平移不变特性，它的调制传递函数测试具有相当的复杂性和不稳定性。
The measurement of modulation transfer function (MTF) of the sampled imaging optoelectronic system is rather complex and irrepeatable for their shift-variant characteristics.
研究结果表明，在样本分布和量化级数不变时，泛化均方差和学习均方差是权调整率的非增函数。
Research results indicate that generalization ability and learning accuracy are the non decreasing function of weight adjusting ratio.
用集合的近似凸性研究函数的预不变凸性，在较弱的假设下获得了预不变凸性的一些等价条件。
Preconvex functions are studied by applying nearly convexity of sets in this paper. Under weaker assumptions, some equivalent conditions for preconvexity are derived.
提出了一种用于图像分割的分段可变形模型，并在模型的能量函数中引入了仿射不变量信息。
A segmental deformable model for image segmentation was presented and affine invariants were introduced into the model's energy function.
本文讨论为连续线性时不变多输入多输出系统设计多线性函数观测器的时域方法。
This paper discusses time-domain method of designing observers for linear functions of the state vector of the continuous, linear, time-invariant, MIMO systems.
函数的作用是：对数组按照键名逆向排序，元素的键名保持不变。
The krsort() function sorts an array by the keys in reverse order. The values keep their original keys.
函数的作用是：对数组按照键名逆向排序，元素的键名保持不变。
The krsort() function sorts an array by the keys in reverse order. The values keep their original keys.
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