This formula is used to calculate the area of a circle.
这个公式用于计算圆的面积。
Conservationists calculate that hundreds of species could be lost in this area.
自然资源保护主义者预测，数以百计的物种可能会从这个地区消失。
Such courses, Hacker argues, are a remedy for the numerical illiteracy of adults who have completed high-level math like algebra but are unable to calculate the price of a carpet by area.
哈克认为，这样的课程可以弥补成年人在数字方面的盲点，这些人已经完成了像代数这样的高级数学，但却无法按面积计算出一块地毯的价格。
Such courses, Hacker argues, are a remedy for the numerical illiteracy of adults who have completed high-level math like algebra but are unable to calculate the price of, say, a carpet by area.
哈克认为，这样的课程可以弥补成年人在数字方面的盲点，这些人虽然已经学习了像代数这样的高等数学，但却无法按面积计算出一块地毯的价格。
Each data mart can tackle an identifiable business problem or subject area, making it possible to calculate ROI.
每个数据集市都可以处理可识别的业务问题或主题领域，从而可以计算roi。
However, when we calculate the area under this curve, we see that the short burst approach accomplished: 38 units of work!
然而，我们看这条曲线下的部分，就会发现其实用中分法完成了38个单位的工作！
Therefore, spend some time to measure your painting surface to calculate its area.
因此，花一些时间来测量你的涂装表面，以计算出它的面积。
Calculate or analyze the painting area and painting cost for the new component.
为喷涂线计算和分析喷涂面积和喷涂成本。
In this paper, we point out that there exists a logic problem to calculate the area of circular disc in many textbooks of calculus.
本文中我们首先指出在现行很多“析”和“高等数学”教材中出现的计算圆的面积存在逻辑循环的问题。
Geometrical optics approach can only calculate the high frequency approach solution of drilling bit vibration source wave equation in non caustic area but it become invalid in caustic area.
由于几何光学法求解钻头震源波动方程的高频近似解有局限性，即在焦散区失效，故只能计算非焦散区的高频近似解。
This paper discusses how to calculate the residence area based on the analysis of the residence design, construction and delivery process for the purpose of reference. THEANAL.
本文通过对普通住宅从设计、施工到交付使用的全过程进行跟踪分析，来探讨有关住宅面积是如何计算和确定的，以供广大群众参考利用。
The direct exchanging area is essential for zone method to calculate radiative heat transfer.
直接交换面积是区域法计算辐射传热的基础数据。
To calculate valid damage area of irregular targets, this paper creates a new method combine pixel simulation with circuit integral algorithm.
本文提出了一种把像素模拟与环路积分算法相结合，计算复杂形状面目标有效毁伤面积的新方法。
In the process of reserve calculation using volumetric method, to confirm oil-bearing area is in fact to calculate polygon area.
在用容积法计算地质储量的过程中，含油面积的确定实际上是计算多边形的面积。
Using computer to calculate forest base area instead of drawing can raise efficiency and precision.
本文用计算器计算的方法代替作图，求算面积，可提高效率和精度。
Finite element method (FEM) was used to partition the area of buried cables with outer heat sources and calculate the temperature field with given cable load.
利用有限元法对有外部热源的直埋电缆区域进行剖分，计算了给定电缆负荷的温度场。
The relationship between the tonnage and area of inland vessels is needed to calculate the average lockage tonnage reasonably.
探讨内河运输船舶的吨位与面积之间的关系，将有助于合理有效地计算船闸的一次过闸平均吨位。
How to calculate the size of the region on the map or paper, especially the curved region of the irregular area is a basis for the work.
如何对图纸上的区域面积进行计算，尤其是曲边不规则区域的面积计算，是一项基础工作。
Who knows how to calculate the area of a triangle, please raise your hand.
谁知道如何计算三角形的面积，请举手。
At the same time we use the brightness of MODIS band1 and band2 to calculate NDVI of this area, and translate it into coverage of vegetation.
同时又利用MODIS影像的第1通道和第2通道的亮度值计算出该区域的NDVI值，并将其转化为植被盖度。
Article introduce burner hearth detailed size of model, check and calculate wind amount and wind speed that the boiler need to enter second mould area.
文章介绍了炉膛模型的详细尺寸，并对炉膛进入第二自模化区所需风量、风速进行了核算。
Learn the way to calculate the flank area of cylinder and be able to use it well.
掌握圆柱的侧面积的计算方法，并能具体应用。
It can be used to predict the possible leakage area and calculate the leakage volume of reservoir water.
由此可以推测出可能的渗漏区域并计算其渗漏量。
It can calculate effectively the variation of flame front area, burned volume, and heat transfer area with the process of flame propagation and can be applied to an arbitrary combustion chamber.
该软件能有效地计算火焰前锋面积、已燃区体积和传热面积随火焰传播距离的变化情况。
After verification, the model is applied to calculate the change of current and back silting in the port area of Fenghuangshan port with two different plans.
模型经验证后，计算分析了凤凰山深水港区两个规划方案下的水流变化及泥沙回淤强度。
On the server side, the height of the "camera" used to calculate the viewed area for tracer display is fixed.
在服务器端，为炮线计算可视区域的‘镜头’高度被修复了。
Based on the method of FDTD, two special boxes were constructed to calculate the far area radiation field.
在FDTD分析方法的基础上，构造出两个特殊盒子来计算远区辐射场。
The input lines of dots and the surface, and calculate the composition of the convex polygon centroid, area, and whether the specified line cross, etc.
说明：根据输入点组成线和面，并计算组成的凸多边形的质心、面积、是否和指定线交叉等。
The images were analyzed based on MATLAB7.0 programming to calculate the area proportion of the artifacts.
基于MATLAB7.0编程对图像进行分析，计算伪影的面积占原像面积的比重。
The images were analyzed based on MATLAB7.0 programming to calculate the area proportion of the artifacts.
基于MATLAB7.0编程对图像进行分析，计算伪影的面积占原像面积的比重。
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