太阳表面的黑子数在其一般延续11年的活动周期内增增减减。
The number of spots on its surface has waxed and waned in cycles that last, on average, 11 years.
无论冬夏，数小时明亮的阳光都可以灼伤眼球表面，使之感到短暂的疼痛。这种病状叫做光致角膜炎。
Winter or summer, hours of bright sunlight can burn the surface of the eye, causing a temporary but painful condition known as photokeratitis.
它表面看来的复杂性引发了数十年的研究，但其部分功能依然是个未知数。
Its seeming complexity has prompted decades of study, although some of its functions remained unknown.
全息原理表明，覆盖在外表面的信息数量必须跟宇宙内部容量所包含的比特数相匹配。
The holographic principle says that the amount of information papering the outside must match the number of bits contained inside the volume of the universe.
在冰瀑布东北数公里长的范围里，冰川的表面基本上变得很光滑，直到在其表面出现一系列的冰裂缝。
Northeast of the icefall, the glacier's surface is mostly smooth for several kilometers until a network of crevasses mark the surface.
“尼古丁可以在室内表面存在数天，数周乃至数月。”Hugo Destaillates说。
"Nicotine can persist on indoor surfaces for days, weeks and even months," says Destaillats.
如果一个人只看表面，只看生命的物体和被数算的部分，他只能看见一个正在迅速消逝和被腐蚀的世界。
If a man merely looks at the surface, physical and quantitative aspects of life, all he can see is a fast fading and decaying world.
实验结果表明，分形维数能很好地表征表面轮廓，可为进一步的接触分析提供更合理的几何模型。
Taking rigid disk surface as an example, fractal parameters are obtained by means of power spectrum and structure function, providing a proper geometric model for further contact analysis.
的确，四元数支持球形线性插值(SLERP)，那意味着点沿着球体表面传播就像他们从一个方位移到另外一个一样。
Indeed, quaternions support spherical linear interpolation (abbreviated as SLERP), which means that points travel along the surface of a sphere as they are moved from one orientation to the next.
新法规的建议存在于一些国家，建议，限制粒子表面积或粒子数。
Proposals for new regulations exist in some countries, with Suggestions to limit the particle surface area or the particle number.
应用盒子维法对改造后的灰度图像提取分形维数，计算结果表明该方法非常有效的表征了工件表面质量状况。
And gets the fractal dimension from the processed gray image by using method of box dimension, the calculation result indicates that it effectively represents the quality of the workpiece surface.
电荷是电流对时间的积分，(公式)电荷常常用一个表面上的带电粒子数，或一个元件(如电容器)上的粒子数来度量。
Charge is the time integral of current,. Charge is often measured on a quantity of particles, on a surface, or on a component such as a capacitor.
总计指示剂数(ir)-晶圆片表面位面间的最短距离。
Total Indicator Reading (TIR) - the smallest distance between planes on the surface of the wafer.
利用垂直截面法测量了08f钢经不同形变氮化复合后冲击断裂表面的分形维数。
Fractal dimension of impact fracture surface of 08f steel was measured by vertical section method.
周边控制爆破后，形成的围岩表面可视为分形，其分形的维数反映了岩石经历的爆破过程。
The surface of surrounding rock by controlled perimeter blasting can be looked as fractal whose dimension is the mirror of the explosion action process of rock.
利用分形理论，采用一种新的分形维数计算方法，得出电火花加工表面的二维分形维数。
With fractal theory, a new fractal dimensional calculation is adopted to calculate two dimensional fractal dimension of EDM surface.
在区域法中，系统被分为表面区和气体区，区域数取决于所要求的结果精度和计算时间。
In the zone method, the system is divided into surface zones and gas zones and the number of which depends on the accuracy of results desired and calculation time required.
结果：研究发现癌细胞与正常细胞比较，线粒体和溶酶体的比表面、数密度均减小。
Results: Compared with those of normal cell, the specific surface and numerical density of the mitochondrion and the lysosome in the mid and late stage were decreased.
基于小角X射线散射理论，利用逐级切线法和材料分形理论中的散射强度法，分别计算PAN基炭纤维内微孔大小、体积分数及微孔表面分形维数。
Based on SAXS theory and fractal theory, we obtain the calculating method and calculating formulas of the pore size, pore volume percentage and the fractal of pore surface in PAN - based carbon fiber.
结果表明，棉纤维表面分维数与含糖量间存在定量关系。
As result, quantitative relations between the fractal dimension of cotton fiber surface and its sugar content can be made.
采用结构函数法计算出高速铝合金铣削表面微观形貌的分维数。
The fractal dimension of high speed milling aluminum alloy surface micro-topography is calculated by the structure function method.
相同雷诺数的槽板平均表面换热系数是平板的2～3倍，同时减小了流动阻力。
The grooves on the heated surface lowered the flow resistance and enhanced the film heat transfer coefficient 2-3 times that of flat plates.
与正常大鼠的骨结构相比，骨质疏松模型大鼠中的无机矿物质颗粒的比内表面和体积百分数减小。
Comparing with normal rats' bone structure, the specific inner surface and the volume fraction of inorganic mineral's particles in osteoporotic rats reduced.
随着刷磨次数的增加，织物表面的起球数先增加，在到达一个峰值后又逐渐减少；
With the increase of brush times, the pilling numbers increases firstly, then reduce gradually after reaching a peak value.
在疲劳载荷经过不同循环数后，试样表面进行金相观测的结果指出，对于所用的合金而言，滑移痕迹的变化都表现出两个明显不同的阶段。
Results of metallographic observations on the specimen surface after various stress cycles show that for all the alloys used, the change of slip marks exhibits two distinctly different stages.
随着旋转雷诺数和进气流量系数增加，转盘无量纲过余表面平均温度和无量纲径向表面温差全都下降。
The dimensionless average temperature and dimensionless temperature difference of rotor surface decrease with both of the dimensionless mass flow rate and rotational Reynolds number are increased.
并指出，随着研究工作的深入，该项技术还可望用于高马赫数飞行体表面气体流动控制、火箭发动机推力方向控制等。
Along with the deep development of study, the microjet technology will be possibly applied to control the aerodynamic flow of the high speed aircraft surface and the thrust vector of rocket engine.
而采用小波算法建立棉纤维表面分形数学模型，计算各种棉样的表面分维数，利用其与原棉含糖量间存在的定量关系，制成样本。
Applying the fractal mathematics model, we can estimate the dimension of various kinds of cotton fiber surface, then, make the sample consulting the quantitative relation.
而采用小波算法建立棉纤维表面分形数学模型，计算各种棉样的表面分维数，利用其与原棉含糖量间存在的定量关系，制成样本。
Applying the fractal mathematics model, we can estimate the dimension of various kinds of cotton fiber surface, then, make the sample consulting the quantitative relation.
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