球形
- 与 球形 相关的网络例句 [注:此内容来源于网络,仅供参考]
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It has a larger more spherical radome under the nose and a cylindrical radome under the rear of the cabin.
它有一个大鼻子下的多球形天线罩下,在机舱后部的一个圆柱形天线罩。
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They are mounted in fixed locations as stationary vessels or on railroad car or truck chassis for easy transportation.
罐的形状可以使球形或柱状,作为固定容器安装在固定位置,或者安装在有轨车或卡车底座上,以便于运输。
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The results show that diffusion and reassemble occur in the constituent phase of solder alloy during aging process.
结果表明:在高温时效过程中合金内部组元发生扩散与重组,伴随着共晶组织的逐渐溶解,新的IMC在组织内部呈球形弥散析出。
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In this paper, based on the reciprocity theorem, the light scattering from a spherical particle above a slightly rough dielectric surface is studied.
基于互易定理研究了光波入射时微粗糙面与其上方球形粒子复合模型的光散射。
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Based on the above results, the problems of the electromagnetic interaction between a perfect conducting plate and 1-D/2-D conducting slightly random rough surface and the problems of the electromagnetic interaction between a dielectric spherical particle and dielectric slightly random rough surface are investigated. By using the reciprocity theorem, Small Perturbation Method and Physical Optics approximation, the solution for the composite scattering field from the composite target is derived and evaluated, and the numerical results are discussed and analyzed.
在此基础上,用互易性原理分别研究了一维、二维导体微粗糙面与其上方金属导体平板目标的复合电磁散射及介质粗糙面与其上方球形粒子的复合电磁散射,结合互易性原理和粗糙面散射微扰法及物理光学近似导出了复合散射场的计算公式并进行了数值计算,对计算结果进行了讨论和分析。
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The Luneburg lens antenna is composed of a series of concentric shells of constant permittivity. Considering the complexity of numerical calculation, this paper presents a closed-form approach, which combines the spherical vector wave method and the reciprocity theorem.
摘要伦伯透镜是一种球形分层介质天线,考虑到数值计算的复杂性,本文提出用矢量球面波理论和互易原理相结合,分析其性能。
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Fructification is globose, diameter 8, 11 millimeter, the black when maturity, constellation keeps post head record; Fruit handle is long 6, 14 millimeter; Cent nucleus 7, 9, back has Zong Wen, woodiness.
果实球形,直径8—11毫米,成熟时黑色,宿存柱头头状;果柄长6—14毫米;分核7—9颗,背部有纵纹,木质。
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Capsules baccate, ovoid or subglobose, 2-2.5 × 1.5-2 cm, red-yellow to purple when mature, indehiscent, or 3-valved when dry; arils white.
蒴果浆果状,卵形体或近球形, 2-2.5 * 1.5-2 厘米,成熟时红色黄到紫色,不裂,或干燥时3瓣裂的;假种皮白色。
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Ultra-fine cobalt powder was prepared by the reduction of carbonate using a belt continuous boat-less reducing furnace in hydrogen.
摘 要:以碳酸钴为原料,采用氢气还原法在带式无舟皿连续还原炉中制备超细球形钴粉。
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In the Ti film and the TiZr alloy film annealed at 800 ℃, there are a lot of regular hexahedron or octahedron bubbles, which are the same as the projections of equilibrium shape of their matrix crystal. With annealing temperature of 720 ℃, the bubbles in TiZr alloy annealed for 40 min are more round than those annealed for 130 min.
在800 ℃热处理后的Ti和TiZr合金中均观察到规则的六边形和八边形氦泡,对应基体材料单晶平衡外形多面体的投影。720 ℃热处理40 min后,TiZr合金膜中的氦泡比同样温度热处理130 min后的接近球形。
- 推荐网络例句
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She gently rebuff ed him, but agreed that they could be friends
她婉言拒绝了,但同意作为朋友相处。
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If in the penal farm, you were sure to be criticized.
要是在劳改农场,你等着挨绳子吧!
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Several theories about reigniting and extinguishing of the arc have been refered.
本文综合考虑了几种电弧重燃和熄灭理论。