flat-topped
英 [flæt tɒpt]
美 [flæt tɑːpt]
adj. 平顶的
双语例句
- I, for one, am cheering for the recently announced end of a policy requiring flat-topped buildings in Los Angeles.
最近，洛杉矶宣布终止这项要求摩天大楼必须设计为平顶的政策，我对此决定表示欢迎。 - To my other side stood rows of snow-burdened cypress trees peppered among flat-topped clay houses no more than mud shacks in most cases separated by narrow alleys.
小巷的另外一边是成排的柏树，枝头堆满积雪，散落在一些窄巷交错的平顶黏土房屋之间&那些房子比土屋茅舍好不了多少。 - Any of several plants of the genus Achillea native to Europe and having small white flowers in flat-topped flower heads.
原产于欧洲的耆属中众多植物中的任意一种，在平顶的花头上具有小白花。 - A new method for synthesizing on-axis flat-topped beams by using a defocusing telescope system is proposed, where the flat-topped multi-Gaussian beam is chosen as the ideal beam.
提出了用平顶多高斯光束作为理想光束和使用离焦望远镜系统合成轴上平顶光束的一种新方法。 - Man wearing a round flat-topped hat, known as the "cap", mainly white, but also black.
男子戴平顶圆帽，俗称“顶帽”，以白色为主，也有戴黑色的。 - Eurasian pink widely cultivated for its flat-topped dense clusters of varicolored flowers.
广泛种植的平顶、密集、多色串状花瓣的欧亚石竹。 - It is shown that the beam quality factor of nonparaxial truncated flat-topped beams depends on the truncation parameter, the beam order and the initial waist-width to wavelength ratio.
计算结果表明：非傍轴截断平顶光束的质量因子不仅与截断参数、光束阶数有关，而且与初始束腰宽度和波长之比有关； - A dwarfed evergreen conifer or shrub shaped to have flat-topped asymmetrical branches and grown in a container.
一种矮的常青针叶树或灌木，有平冠的不对称的枝，通常在一容器中生长。 - A model of an annular flat-topped vortex beam based on multi-Gaussian superimposition is proposed.
基于多高斯函数叠加方法，提出了环形平顶涡旋光束模型。 - Influence of Atmospheric Turbulence on the Propagation of Partially Coherent Electromagnetic Flat-topped Beams
大气湍流对部分相干电磁平顶光束传输的影响 - The results of calculation also show that the flat-topped element pattern and the reflection coefficient keep well at least in a10% frequency band.
计算结果同时表明该辐射单元至少可以满足10%的频带宽度。 - Garters of deerskin, worked with a thousand arabesques, and a hat whereon hung ribbons of all colors; a felt cap ( usually red) for a man; shaped like a flat-topped cone with a tassel that hangs from the crown.
一双阿拉伯式的鹿皮长统靴和一顶拖着五色丝带的帽子。一种男式的毡帽（通常为红色）；形状像一个平顶的圆锥体，帽顶上垂着一条丝带。 - A felt cap ( usually red) for a man; shaped like a flat-topped cone with a tassel that hangs from the crown.
一种男式的毡帽（通常为红色）；形状像一个平顶的圆锥体，帽顶上垂着一条丝带。 - The boat was moored to ( a post on) the river bank. Beyond the river, supported on struts, rose the flat-topped house.
船系泊到河岸（的一根桩子）上.河对岸那间平顶屋耸立在几根柱子上。 - ( botany) bearing a coma; crowned with an assemblage of branches or leaves or bracts. Eurasian pink widely cultivated for its flat-topped dense clusters of varicolored flowers.
（植物学）长着种缨、树冠等；顶着一丛枝、叶或者苞。广泛种植的平顶、密集、多色串状花瓣的欧亚石竹。 - But the shark came up fast with his head out and the old man hit him squarely in the center of his flat-topped head as his nose came out of water and lay against the fish.
但是鲨鱼迅速地浮上来，露出了脑袋，老人趁它的鼻子伸出水面挨上那条鱼的时候，对准它扁平的脑袋正中扎去。 - Diffraction Field from a Wedge or from a Flat-topped Obstacle
劈形与平顶直边障碍物的绕射场 - Making use of the new model of flat-topped light beams proposed by LI recently, the analytical expression of the field distribution of flat-topped light beams passing through a paraxial ABCD optical system has been derived.
利用LI近期提出的平顶光束新模型，推导出平顶光束通过傍轴ABCD光学系统传输后光场分布的解析公式。 - Propagation of flat-topped light beams passing through ABCD optical systems The Transmission Loop
平顶光束通过ABCD光学系统的传输 - The analytical expressions for the mode coefficients and M2-factor of partially coherent flat-topped beams which can be combined by independent Hermite-Gaussian beams have been derived. The mode decomposition and mode composition of partially coherent flat-topped beams have been analyzed.
推导出以模式间相互独立的厄米高斯光束为基底的部分相干平顶光束的模系数和M2因子的解析式，对部分相干平顶光束的模分解及合成进行了研究。 - Effect of flat-topped beam pumping on the DPL
泵浦光为平顶光束时对DPL泵浦效果的影响 - Making use of the Collins formula, the propagation properties of flat-topped light beams passing through a paraxial ABCD optical system have been studied, and the corresponding analytical propagation expressions have been derived.
3利用Collins公式，对平顶光束通过近轴ABCD光学系统的传输特性作了研究，得到相应的解析传输公式。 - The comparison of the two mathematical-physical models describing flat-topped beams, i. e., the flattened Gaussian beam ( FGB) and flat-topped multi-Gaussian beam ( FMGB) is made.
对描述平顶光束的两种数学物理模型，即平顶多高斯光束（FMGB）和平顶高斯光束（FGB）作了比较，给出了数值计算结果并作了物理分析。 - The flat-topped type is used for the electron velocity distributions.
电子速度分布函数采用平顶形式。 - The lens system is taken as an example and the analytical expression of the focusing field distribution of flat-topped light beams is given. The focusing properties of flat-topped light bemas have been analyzed in detail.
以透镜系统为例，给出了柱坐标系下平顶光束聚焦场分布的解析表达式，并对平顶光束的聚焦特性进行了详细分析。 - The generalized M~ 2-factor and coherent-mode decomposition of truncated flat-topped beams
截断平顶光束的广义M~2因子和相干模分解 - Generally, the energy density distribution of a TEA CO_2 laser was flat-topped.
TEACO2激光器输出光束的能量密度分布一般为平顶型分布。 - The coherent combination of multi-Hermite-Gaussian beams is proposed to describe the flat-topped beams.
提出了用多束厄米高斯光束相干合成产生平顶光束的方法。 - The Focusing property of flat-topped multi-Gaussian laser beam by lens with spherical aberration is discussed. on the basis of generalized Huygens-Fresnel Diffraction integral formula.
利用广义惠更斯-菲涅耳衍射积分公式，研究了平顶多高斯光束通过球差透镜的聚焦特性。 - By using the definition of generalized second-order moments and complex Gaussian functions expansion of rectangular function, the analytical expressions for the generalized M2-factor and mode coherence coefficients of the new model of flat-topped beams introduced by Li have been derived.
针对Li提出的平顶光束的新描述模型，分别采用广义二阶矩方法和矩形函数的复高斯函数展开方法，推导出平顶光束通过硬边光阑的广义光束传输M2因子和模相关系数的解析表达式。