The ratio of aircraft length to maximum cross sectional area also influences the intensity of the sonic boom.
飞机的长度和最大横截面面积之比也会影响音爆的强度。
So this will be the length of the femur d and this will be the thickness, d A and this will be the cross-sectional area A.
所以这就是股骨的长度,这是它的厚度,这是它的横截面积。
Inversely proportional to the cross-sectional area of the rod.
棒子的横截面积，成反比。
That would give me a cross-sectional area of eight times ten to the minus five square meters.
那么横截面就等于,8乘以10的,负五次方平方米。
Students will determine the relative stiffness of two aluminum beam test specimens of equal cross sectional area but different cross-sectional shape and see how they conform to theory.
学生要确定两个横截面面积相同而形状不同的铝梁实验样本的相对刚度，并研究结果如何与理论一致。
Cross-sectional fiber area and maximum fiber width are reliable indexes for muscle function compared with number of muscle fibers.
肌纤维横截面积和最大宽度是反映肌肉功能状态的较为可靠的指标。
The stealth technology includes contour design, absorbing materials and plasma stealth technologies, the purpose is to reduce sectional area of average radar for target.
雷达隐身包括外形设计、吸波材料和等离子体等隐身技术，其实质是降低目标的平均雷达截面积。
The resistance of a conductor varies directly with its length, conversely with its cross-sectional area.
导体的电阻与其长度成正比，与其横截面积成反比。
Consequently, the metal interconnects of VLSI have smaller sectional area and carry increasing power density, which made the electromigration become one of the main latent damage modes.
作为VLS I互连线的金属薄膜的截面积越来越小，其承受的功率密度急剧增加，使得电迁移成为电路的主要失效模式之一。
The new flap keeps essentially the same profile, but with a reduced cross sectional area at its extremities.
新副翼的形状在总体上保持不变，不过在其末端的横截面积却变小了。
While for the equipment structure, they were the sectional area of nozzle, the pitch between screw and its turnbuckle, clearance, rotate speed, and the depth of the whorl on the turnbuckle.
就设备的结构而言：喷嘴的截面积、螺杆与螺套的螺距、间隙、转速、螺套螺纹的深浅是影响膨化度的主要因素。
Of their relatively small cross sectional area , which does not allow them to sustain high stress.
由于其横截面积相对小，不能承受大的应力，所以点焊处容易产生裂纹。
The left to right shunt rate (f) and the transverse sectional area of ductus arteriosus (a) were calculated by color Doppler flow convergence method in 20 patients with patent ductus arteriosus.
用彩色多普勒血流会聚法对20例动脉导管未闭患者的左向右分流率F进行测定，并根据F值计算出动脉导管的横截面积A。
The contactless electrostatic resonance method to determine the cross sectional area of conductive and unconductive monofilament was introduced.
介绍了一种可测试所有导电和非导电纤维横截面积的非接触式静电共振法。
The calculated result from an example shows that the stable sectional area reduces with the increase of working head, or the decrease of the tailrace tunnel length.
计算结果表明，尾水调压室断面面积随水轮机工作水头的增大或尾水洞长度的缩短而减小。
The sectional area of the suction pipeline is no less than pump flowing channel's.
吸入管路截面积必须大于或等于泵流道断面积。
The hot zone is formed by cutting a double spiral slot which reduces the cross sectional area through which current flows, resulting in higher resistance than the cold end.
发热部是双螺旋切槽，在电流通过时可以减少其横截面积，因而发热部的阻值比冷端部的阻值大。
It has the circular shape of sectional area, and a long hull.
它有圆形的截面面积，并长期船体。
Coil resistance is determined by the cross-sectional area and length of the wire used in winding the coil.
线圈电阻是由线圈导线的横截面积和长度决定的。
According to this study, the optimal design in the size and shape of the linking pipe helps to reduce the sectional area for stability.
研究表明：如果合理地选择设计连接管断面的尺寸和型式，就可以进一步减小有连接管的尾水调压室水位波动稳定所需的断面积。
It affects muscle size through muscle fiber hypertrophy with an increase in the cross-sectional area of muscle fiber.
它影响通过与肌纤维肥大中的一个的增加，肌纤维截面积肌肉的大小。
In other words, it does this by varying the cross-sectional area in an exacting form.
在其他换言之，它是通过不同的截面面积在一个严格的形式。
The minimum sectional area of the space formed between the pawls is set larger than the sectional area of the rubber damper.
在所述棘爪之间形 成的所述空间的最小截面积设为大于所述橡胶阻尼器的截面积。
Shielding layer conductivity is made together with the semiconductive layer adopts metal strip or wire cross-sectional area and the resistivity is determined by the.
屏蔽层的导电率是由连同半导电层所采用的金属带或线的截面积和电阻率所决定的。
The connection between cells shall be made of lead or lead alloys and have enough cross sectional area.
电池的连接物应使用铅材料或者是铅合金并有足够的交叉的可组合区域。
Under the premise of the weight of the entire truss structure satisfying certain constraints, it achieved the minimum flexibility by optimizing the cross-sectional area of the bar.
采用的力学准则为满应变设计准则； 在整个桁架结构重量满足一定约束的前提下，通过优化各杆件截面积，达到整体柔度最小。
In order to avoid a singular solution, we keep the dimension of the truss for a given topology unchanged by giving the truss member to be removed a tiny cross-sectional area.
为了避免结果奇异，在优化过程中，给被删去的构件一个微小的截面积，使一个给定的拓扑组的结构维数保持不变。
Conclusions. These data resole the controersy that the multifidus cross-sectional area reduces rapidly after lumbar injury.
结论：上述数据解决了腰椎损伤后多裂肌横断面积是否迅速减少的疑问。
The maximum loss ratio of sectional area is used, instead of the loss ratio in weight, to express the mechanical properties of corroded reinforcement.
为了揭示锈蚀钢筋力学性能退化现象的本质，用锈后钢筋的最大截面损失率来表征其力学性能的变化。
The results of performance measurement test show that tensile-strength, contraction of cross sectional area, elongation percentage, dynamic ductility of the weld all exceed their base metal.
焊后试件的性能测试结果表明，焊接接头的拉伸强度、断面收缩率、延伸率及冲击韧性均已超过母材。
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