So, in both cases, we need the vector field to be defined not only, I mean, the left hand side makes sense if a vector field is just defined on the curve because it's just a line integral on c.
了解这两种表述后，我们不仅需要向量场，就是左边这里，这是曲线c上的线积分，向量场在曲线上有定义。
Let's say that we had the same c, but now the vector field.
假设c还是一样的，但现在的向量场变为。
At the forefront of the pioneers in the field was the Greek mathematician and philosopher Claudius Ptolemaeus (c. AD 90 ?168), more popularly known to history as Ptolemy.
这一领域的先驱中最早的是希腊数学家和哲学家克劳迪•托勒密(约公元90年～168年)，历史上多称他托勒密。
Category (c) expression field, which has the following new property field support in the tooling.
类别(c)表达式字段，工具支持以下新的属性字段。
For example, if you drag the Author field out of the harvested element on a diagram, it shows an association with the C++ element in the source code, as you see in Figure 43.
例如，如果您在图上将Author域拖出收获元素 之外，它将在源代码中显示与 C++ 元素的关联，如图43所示。
When the workspace Launcher dialog opens, enter c: \ workspace in the workspace field, and then click OK.
当这个workspaceLauncher对话框打开时，在workspace区域键入c： \ workspace，然后点击OK。
In the "Select root directory" field, type C:\workspace and then press Enter.
在这个“选择跟目录”区域，键入C:\workspace，并按下 Enter键。
In the Destination field, which contains the path name for where you would like the directory structure to be written, enter c: \ WDzPlugins, (figure 9).
Destination字段包含希望写入的目录结构的路径名称，请在其中输入c： \WDzPlugins(图9)。
Run lsdev –C | grep $ADDR, substituting the address field to view the child devices.
运行lsdev –C |grep $ADDR，取代地址字段查看子设备。
In the Variable value field, keep the existing value, and add the following to the end:; c: \ flex \ bin.
在Variablevalue字段保留现有的值，并在其后添加：；c： \flex \bin。
Maxwell showed that light was a vibration in the electromagnetic field, and that it travelled at a constant speed, c, in a vacuum.
马克思·威尔指出光是种电磁波，其在真空中的传播速度是个常数c。
In the Import dialog box, enter C: \ temp \ MyEnterprise.ear in the ear file field.
在Import对话框中的ear file字段输入c： \temp \ MyEnterprise . ear。
It will not only boost up the system security and the service retractility, but also have anti-destroy character to improve the viability of TT&C system efficiently in war field.
集群技术应用于军事测控系统，不仅可以增强其系统可靠性、性能价格比和服务伸缩性，而且其抗摧毁特性能够有效提高军用测控系统的战场生存能力。
C is a significant mechanics parameter in rock mechanics field, but its definition is disunion.
粘聚强度C是岩石力学领域极为重要的力学参数，然而其定义却长期不统一。
The paper describes some precautions in field operation and regular maintenance of MCEVOY "C" double ram valve.
前言：本文简要介绍MCEVOY“C”型双闸板阀的现场操作及定期保养中的几个注意事项。
Through the wind velocity field simulation of a certain complex building estate, the author introduced the importance of building planning and design as well as the merit of c.
对某实际复杂建筑小区的风速场进行了模拟，实现了理论与实践的结合。
The proposed algorithm guarantees producing the maximum torque over the entire field weakening region and ensures the torque and speed-rising capability under imperfect field orientation c.
采用该方法能够使电机在整个弱磁阶段输出转矩保持最大，并确保非理想磁场定向条件下的转矩和升速性能。
The evolution opera tor, the reduce density operator and the dynamical properties of the field entropy evolution in the intensity - dependent coupling multiphoton J - C model are studied.
研究了依赖强度耦合多光子J—C模型的演化算符，约化密度算符及其场熵特性。
The optoelectronic (0-E) precise tracking technology is a core technology in the field of navigation, test and control (TT&C).
光电精密跟踪技术是航空航天测控领域中的一项核心技术。
Quantitative Determinding the distribution of magnetic field of permanent magnet brushless d. c. motor, is very important to analyze its properties.
永磁无刷直流电动机磁场分布的定量确定对电机性能的预测极为重要。
This paper tries to solve the temperature-field problems of heat-conduction in mechanical machining process for moving heat sources by the simulation method of the R-C network model.
本文试图用网络模拟法解机械制造过程中运动热源的导热温度场问题。
The models and properties of electron field emission from various C-base films are introduced.
介绍了几种碳基材料的场发射特性及其发射模型。
We get three-qubit entangled state in T-C model for two identically steady two-level atoms interacting with single mode field when the initial state is special.
在两个定态全同二能级原子与单模光场共振相互作用的T大模型中；合适的初始状态下可产生三比特完全纠缠态。
Field structure, microstructures and quartz C-axis analysis all indicate sinistral shear sense of the ductile shear belt.
野外构造、显微构造与石英C轴组构分析皆指示为左旋走滑韧性剪切带。
The dynamic changes of soil microbial biomass Carbon (c) and soil enzyme activities during growth of corn were studied in field experiment.
采用大田试验法研究了玉米生育期内土壤微生物量碳和酶活性动态变化特征。
Path planning and collision examining are the focuses of researches, and many algorithms have been put forward, such as C-space method, potential field method and genetic method etc.
针对路径规划以及碰撞检测这一研究的重点问题，提出了C 空间法、人工势力场法、遗传算法等。
This paper uses a corpus with break indices based on C-TOBI. Applying supervised learning method, some useful attempts are made in the field of automatic break indices intonation.
本文采用了一个基于CTOBI的停顿指数标注的语料库，利用有指导的学习方法对自动停顿指数标注方面做了一些有益的探索。
The nurture role of different fertilizer application strategies was discussed by the measurements of the C and N dynamic of soil microbial biomass in wheat field.
通过测定不同施肥制度下小麦土壤微生物量C、N的动态变化，探讨了不同施肥制度对小麦土壤的培肥效应。
The first Olympic Games took place in 776 B. C. The exact sequence of events was uncertain, but events included men's gymnastics, boxing, wrestling, horse racing and field events.
第一届奥运会于公元前776年举行，比赛的准确次序不详，只知道包括男子体操、拳击、摔跤、赛马和田径项目。
Millington's method is generally used for forecasting the field strength and ASF of Loran C signal.
米林顿算法是国际上比较常用的预测罗兰C信号场强和附加二次相位因子（ASF）的算法。
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