The bulk of the Ruby class Calc USES Ruby's metaprogramming features to define functions at run time for all the digit keys and for the math operation keys.
大多数Ruby类Calc使用Ruby的元编程功能，在运行时为所有数字键和数学操作键定义功能。
So if the operation of these facilities is delayed by five days and the consultants cannot work on site -- well, you can do the math.
因此，如果这些设备的运行延迟了五天，并且咨询师不能在现场工作--那么，你可以计算一下。
According to the Organisation for Economic Co-operation and Development (OECD), our 15-year-olds rank 17th in the world in science and 25th in math.
根据经合组织的数据，我国十五岁年轻人的科技知识在世界排名第17，数学知识排名第25。
It is argued that activity especially math activity includes two types: presentational operation and operation of thought, the latter is the main part of math activity.
指出：活动，尤其是数学活动包括两种类型：表象操作和思维运算，并强调：思维运算活动是数学活动的主要部分。
Finally, the math model of positional restriction of assembling fixture, arithmetic for assembling operation and fixture assembling technology based on restriction are discussed.
论述了组合夹具位置约束的数学模型、组合操作的算法和基于约束的夹具组装技术。
The math model of assembled fixture positional restricted arithmetic to assemble operation and fixture assembled technology based on restricted are discussed.
最后论述了组合夹具位置约束的数学模型、组合操作的算法和基于约束的夹具组装技术。
Additionally, the candidates need to have high school diplomas and be good at math, science, and computer operation.
另外，应聘者需要有高中文凭，擅长数学，科学，计算机操作。
Based on the contents of funny math, math games, figure problems and practical math problems, the class is developed in types of games, operation and practice.
以趣味数学、数学游戏、图形问题、实际中的数学问题等为内容，通过游戏型、操作型、实践型等课型来开展。
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。
Without limiting their unique way. So an example of that would be say to them choose a number, an operation, or any other math idea, and show it in as many ways as you can.
例如，你可以跟学生说，选一个数字、一种运算方式，某种数学理念，用尽可能多的方式呈现出来。
1performed An invalid arithmetic operation. | % 1encountered An error in its use of the math coprocessor.
1执行了非法运算。| % 1使用数学协处理器时出错。
1performed An invalid arithmetic operation. | % 1encountered An error in its use of the math coprocessor.
1执行了非法运算。| % 1使用数学协处理器时出错。
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