It is fine.It is a closed surface.
这是一个封闭曲面。
So, s is actually this whole closed surface here.
那么，S实际上是这个完整的封闭曲面。
It is just a notation to remind us closed surface.
这就是一种提醒我们曲面是封闭的的记号。
So if you had a closed surface you wouldn't know where to put your curve.
因此如果你有一个封闭的曲面，你就不知道怎么把曲线放进去了。
So, that's by the divergence theorem using the fact that s is a closed surface.
所以那是通过散度定理得到的，其中使用了S是封闭曲面这一事实。
I am going to put a circle just to remind you it is has got to be a closed surface.
我在这儿画一个圈来提醒你们，这是一个封闭曲面。
Let's say that we want to find the flux of the electric field out of a closed surface.
我们想要找出，电场对于一个封闭曲面向外的通量。
If you select two points on closed surface (a cylinder for example), the result may be unstable.
如果你选的两点在一个封闭的面上(例如圆柱)，那结果是不稳定的。
So, the divergence theorem gives us a way to compute the flux of a vector field for a closed surface.
散度定理为我们提供了一种，计算向量场通过闭曲面的通量的方法。
Integral absolute mean curvature is introduced to describe average curving of an orientable closed surface.
引入积分绝对平均曲率来描述可定向闭曲面的平均弯曲程度。
This one here, the divergence theorem, tells you something similar but now for a region of space bounded by a closed surface.
这个就是散度公式了，告诉大家一些相似的东西，仅仅是对被闭合曲面包围的空间区域来讲的。
What it says is if s is a closed surface — Remember, it is the same as with Green's theorem, we need to have something that is completely enclosed.
它说的是，如果s是一个封闭曲面，这和格林定理是一样的，我们需要完全封闭的。
S if we have a closed surface with a normal vector pointing outwards, and we want to find a flux integral for it, well, we can replace that with a triple integral.
的法向量似乎是指向外部。，And, the,normal, vector, to,s, seems, to, be, pointing, out wards, everywhere。，如果我们有一个法向量指向外部的封闭曲面，并且我们要求出它的一个通量积分，那么我们可以用一个三重积分来代替这个通量积分。
The space filling Z-order curve might not be the best choice for geodetic data, given the closed nature of the earth's surface.
对于大地数据，由于地区表面具有封闭的特性，因此空间填充z顺序曲线可能不是最好的选择。
Or, if you have a surface that is not like closed or anything but maybe you will want the flux going up through the region.
或者说，有一个不封闭的曲面,习惯上你会倾向于让通量向上通过这个区域。
Closed-die forging can produce components of greater complexity and accuracy, with a better surface finish than the more traditional methods not using closed dies.
闭式模锻能生产高度复杂和精确的零件，而且表面光洁度要比不用闭式锻模的更传统方法好。
In this paper, optimization of phase change parameter and hardening parameter of closed hierarchical single surface model is studied.
对封闭型分级单屈服面模型参数中的阶段改变参数和硬化参数的优化进行了研究。
Another example of this is the elegantly designed gearshift panel with louvered air vents, which when closed form a smooth and visually clean surface.
另一个例子是优雅设计与变速器小组百叶窗空气通风口，而当形成一个封闭的表面光滑、视觉干净。
Different shapes of the line can constitute the nature of the surface with differences in closed cases.
形状不同的线在封闭情况下可以构成具有差异性质的面。
The surface heat balance is discussed by involving the observational data of radiation and soil heat transfer, and the closed test of the surface heat balance equation is made.
结合辐射和土壤热通量观测资料揭示了两站的地面热量平衡状况，用地面热量平衡方程对以上结果进行了闭合误差检验。
Once surface street service level is (unacceptable) because of traffic diversion caused by ramp control, either the metering rate will be modified or the (on-ramp) will be closed.
当因交通分流导致地面道路服务水平不可接受时，采取修正调节率或者关闭匝道的措施。
Designs o? The closed soft surface gear transmissions are generally restricted by the contact fatigue strength.
闭式软齿面齿轮传动设计中，常受齿面接触疲劳强度的限制。
The necessary condition of external oscillations is the existence of closed geodesic lines on the surface of scatterers.
外部振荡存在的必要条件是散射体表面有闭合测地线。
Use high voltage gas-free spraying or roller coat to deal with the cleanness and roughness of the surface. And paint a coat with epoxy closed primary coat paint.
在处理清洁、平整的砼表面，采用高压无气喷涂或辊涂，环氧封闭底涂料一道。
If anything, the klieg lights on the U. s. -british relationship could mean that little will change on the surface even if there is a shift behind closed doors.
如果说有什么的话，照在美英关系上的强弧光灯可能意味着即使禁闭的门后发生转变，表面上也不会有什么变化。
The surface force per unit area exerted at the top of a wellbore when it is closed at either the Christmas tree or the BOP stack.
当采油树或防喷器组关闭时，施加在井口单位面积上的力称之为为关井压力。
Each of the body and lid has a closure surface that is in close proximity with the closure surface of the other when the container assembly is in a closed condition.
本体和盖中的每一个均有闭合表面，在容器组件处于封闭状态时，其中一个的闭合表面紧靠另一个的闭合表面。
The louver is in fluid communication with the air outlet passageway and includes a cover providing an aesthetic surface configured to face outward from front portion in the closed position.
所述百叶窗与所述空气出口通道流体连通且包括提供了有美感的表面的盖，所述表面被构造以便在所述闭合位置处相对于所述前部部分面朝外。
The louver is in fluid communication with the air outlet passageway and includes a cover providing an aesthetic surface configured to face outward from front portion in the closed position.
所述百叶窗与所述空气出口通道流体连通且包括提供了有美感的表面的盖，所述表面被构造以便在所述闭合位置处相对于所述前部部分面朝外。
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