Be able to do string and math operations and to search and traverse XML with xpath.
能够用XPath进行字符串和数学操作，查找和遍历xml。
As you might guess, Arithmetic operations are the fundamental math operations: addition, subtraction, multiplication, and division.
正如您所猜测的，算术运算是基本的数学操作：加法、减法、乘法和除法。
The Mathematics test at Levels 5 and 6 consists of questions measuring beginning math concepts, problem solving, and math operations.
在第五级和第六级数学能力测验中主要是测量学生的数学概念、对问题的解题方式、数学运算和数学技巧。
In this section, we will create a simple library of standard math operations such as addition and multiplication, and we will show how applications can use this library.
在本部分中，我们将创建简单的标准数学运算(如加法和乘法)库，并将演示应用程序如何使用此库。
This service is a simple math calculation service, providing addition and subtraction operations.
该服务是一个简单的数学计算服务，提供了加法和减法运算。
It has a rich library of built-in functions to boost your productivity for commonly required operations, such as date and time math, string manipulation, and so forth.
它拥有丰富的内嵌功能库，用于提高您的通常所需的操作的生产力，例如日期和时间计算、字符串处理，等等。
For the simple Math example, you don't need to run any restricted operations, as shown in Figure 4.
对于简单的Math示例，您不需要运行任何限制操作，如图4所示。
As you learned in the mid-level grades in school, math involves a lot more than simple operations on Numbers.
正如您在学校中级课程中所学习到的，数学所涉及的远不只是对数字的简单运算。
Processing provides functions to simplify operations such as these with a single function call, hiding the matrix math that occurs under the covers.
Processing提供了简化运算的函数，如通过一个函数调用而隐藏在底层的矩阵数学。
Work done in language, thinking, you can take a break, but the math and English operations followed.
做完了语文作业，心想，可以休息一下，但数学、英语作业接踵而至。
They are average value filtering, medium value filtering, math morphologic operations including unlock operation and close operation and how to extracting image's contour line, skeleton, and so on.
例如均值、中值、滤波过程，数学形态学运算中的开启、闭合，以及图像的轮廓线、骨架线的提取技术等。
The four operations are the basis of math.
四则运算是数学的基础。
The people we have lunch with day after day are those who know the running saga of our mother's operations, our child's math grades, our frozen pipes, and faulty transmissions.
天天和我们共进午餐的人是给我们的母亲动手术的医生、孩子的数学老师、管道工、汽车修理工等。
The most popular of the three specialist subjects are: calculus, operations research and business statistics (all math class).
最不受欢迎的三个专业科目为：微积分、运筹学和商务统计学(全为数学类)。
This workshop will survey key features of the Montessori math curriculum, from sequential counting, writing numerals, to 4-digit arithmetic operations.
本次家长工作坊，将讨论蒙氏数学课程的主要特点，从数数，写数字，到4位数运算。
This workshop will survey key features of the Montessori math curriculum, from sequential counting, writing numerals, to 4-digit arithmetic operations.
本次家长工作坊，将讨论蒙氏数学课程的主要特点，从数数，写数字，到4位数运算。
应用推荐