Well, if I take the vector field that was in the problem set, and if I do things, say that I look at the unit circle.
如果找一个这个问题中的向量场，然后我们要做的是，假设这个单位圆。
Now there is a very famous problem with this procedure known as the Cartesian circle and I want to draw your attention to the fact that it's not only a problem for Descartes.
有个非常著名的论题是关于认知过程的，称作笛卡尔循环论证，请大家注意，事实上对笛卡尔来说这并不是唯一的问题。
But, if it's like a circle or a half circle, or things like that, then even if a problem doesn't tell you to do it in polar coordinates you might want to seriously consider it.
但是如果它是一个圆或者半圆，或者是类似的，即使题目没有提示你在极坐标里做，你也应该认真考虑一下。
The solution to the first problem is to re-evaluate your priorities. If building a strong circle of meaningful friends is important to you, your time should reflect that.
建立一个有意义的朋友圈对你很重要，你的时间安排就应该反映这一点。
The problem is covering a rectangular sensor chip with a circle of light from the lens.
问题在于要用镜头上的光圈盖住传感器芯片。
The thesis discusses the important problem about dot-axis development in forming of Three Gorges Tourism Economy Circle.
本文论述的是在“三峡旅游经济圈”的构建过程中“点——轴”式开发的问题。
The calculating theory and designing method of pre-stress reinforcement concrete structure plasticity is one of thorny problem that the theory circle and project circle pays close attention to.
预应力混凝土结构塑性计算理论与设计方法是理论界和工程界十分关注且较为棘手的问题之一。
Circle-ellipse problem: Subtyping variable-types on the basis of value-subtypes.
是Subtyping variable - typesonthebasisof value - subtypes。
With the popularization and application of this structure in industrial factory with suspended crane, the fatigue performance becomes the hot problem to be solved for many years in engineering circle.
随着螺栓球节点网架在悬挂吊车工业厂房中的推广应用，其疲劳性能成为工程界多年来尚待解决的热点问题。
Experimental results demonstrate that the algorithm developed is fairly efficient for solving the rectangle and circle packing problem.
测试结果表明，算法对求解矩形和圆形装填问题是行之有效的。
It is more convenient, simple and effective to analyze quality problem of compound deformation of sheet metal pressing parts by means of the concept of stress circle.
利用应力分界圆的概念，分析冲压件复合变形时产生的质量问题比较方便、简便和有效。
"Account Law" to the authenticity problem of accountant material stipulation not concrete limits standard, understanding to authenticity existents difference in Accounting field and Law circle.
《会计法》对会计资料真实性问题没有规定具体的界定标准，会计界与法律界对真实性的理解存在差异。
The problem of discontinuousness of Euler angle when tooling along circle trace is solved in this paper.
在刀具加工圆轨迹的情况时，会出现欧拉角不连续的现象，文中对此提出解决方法。
The theoretical circle holds two diverse opinions on the problem of whether the imaginary property of network games has property attribute: negative theory and affirmative one.
关于网络游戏虚拟财产是否属于财产的问题，目前理论界存在否定论和肯定论两种截然相反的观点。
Algorithm of DNA computing for time-table problem was obtained with introducing manifold biochemical experiments on closed circle DNA computing model.
基于闭环dna计算模型引入多种生化实验得出求解排课表问题的DNA算法。
However, the academic circle has still not laid enough stress on the problem of non-profit organization governance.
然而，非营利组织的治理问题并未引起学界的足够重视。
The problem of criminal suspects' litigious rights in the investigative interrogation has long been a focus of the circle of procedural law and judicial practice.
犯罪嫌疑人在侦查讯问中的诉讼权利问题，一直是诉讼法学界和司法实务界密切关注的焦点问题。
Does not need cooling at the season, hot water unit circle groundwater, there is no minimum evaporator water flow problem.
在不需要供冷的季节，热水机组循环地下水，不存在蒸发器的最小水流量的问题。
Math anxiety is a problem that has been researched in external educational psychology circle , but that is not the case in China .
数学焦虑是国外教育心理学领域关注了近半个世纪的研究课题，而中国数学教育心理学界对此问题的研究还比较少。
In the later half of the 20th century, the problem of "the law of beauty" arising from Marx 'early work caused a heated argument in the aesthetic circle.
20世纪下半叶，出自马克思早年著作的“美的规律”问题曾引起我国美学界热烈争论。
Finally, the algorithm to build the directed graph of formula circle dependency and the algorithm to solve the problem of formula circle dependency by directed graph are given.
给出了公式依赖关系图的构造算法和用有向图法解决公式循环依赖的算法。
How to relieve the invalid administrative act has become a knotty problem for the circle of theory, especially for the circle of practice.
如何对无效行政行为进行救济，是理论界尤其是实践界颇为棘手的一个问题。
However, the problem does not receive enough attention from the law circle of China, with only a few researches aiming at that problem.
然而这一问题在我国法学理论界并未得到足够的关注，对该问题的研究也不多见。
The utility model resolves the problem that existing full circle and chamfer tools are poor in full circle and chamfer effects.
它解决了现有整圆倒角工具整圆、倒角效果较差的问题。
The optimal layout problem of circle group in a circular container with performance constraints of equilibrium belong to NPhard problem.
带平衡性约束的圆集在圆容器内的布局优化问题，属于NP困难问题。
Probing grammar problem from 3 levels-syntax, semantics and pragmatics has aroused universal attention in the grammar circle of our country.
从句法、语义、语用三个平面多角度来探讨语法问题，已引起我国语法学界的普遍重视。
An algorithm of weighted matching problem is put forward basing on model of closed circle DNA computing.
针对赋权匹配问题，给出了基于闭环dna计算模型的赋权匹配问题算法。
Along with the arrival of knowledge-economy time, the related problem of human capital investment has become the hot topic in the academic circle in China.
随着知识经济时代的到来，有关人力资本出资问题的研究已成为我国理论界的热门课题。
Along with the arrival of knowledge-economy time, the related problem of human capital investment has become the hot topic in the academic circle in China.
随着知识经济时代的到来，有关人力资本出资问题的研究已成为我国理论界的热门课题。
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