计算是在假定轻子是点粒子的条件下完成的。
The theoretical computations are performed under the assumption that the leptons are point particles.
而在量子力学术语中,“点粒子”即为“基本粒子”(迄今还未发现有用来构成基本粒子的更小单位)。
In the parlance of quantum mechanics, however, to call a particle pointlike is to say no more than that it is elementary, ie, that it is not known to be made up of smaller bits.
原始物体:把原始物体移动到摄像头以外要小心,于正常的网格复制点不同的是,复制点粒子也会被渲染的!
Original object: Take care to move the original object out of the camera view, because, differently than in regular Mesh Dupliverts, in Dupliverted particles it will also be rendered!
纳米晶体,也被称为量子点,是一种直径只有百万分之一毫米的半导体粒子。
Nanocrystals, also known as quantum dots, are semiconducting particles with a diameter of a few millionths of a millimeter.
这些胶囊按照像素排列,电荷会作用于每个像素点上,将白色或者黑色的粒子拉到胶囊的顶部(同时,那些相反的颜色会被排斥到底部)。
The capsules are arranged as pixels and electric charges applied to each pixel pull either the black or the white particles towards the top of the capsule (and the opposite colour to the bottom).
他的想法是基于波和粒子之间的非凡关系,这个关系是在比当时稍早一点的时候由德布罗意发现的。
His ideas were based on a remarkable connection between waves and particles which had been discovered a little earlier by DE Broglie.
大型探测器放置于这些交汇点以在碰撞后的亚原子残骸中寻找新粒子。
Big detectors are located at these points to look for new particles in the sub-atomic wreckage of the collisions.
纳米晶体(也被称为量子点)是一些半导体粒子,其直径为几百万分之一毫米。
Nanocrystals, also known as quantum dots, are semiconducting particles with a diameter of a few millionths of a millimetre.
日内瓦时间刚过下午1点,对撞机的操作人员操纵着由数十亿个粒子组成的质子束流,以接近光速的速度实现了首次对撞。
Collider operators steered the proton beams, comprising billions of particles accelerated almost to the speed of light, into their first collision just after 1 p.m. Geneva time.
棕煌蜂鸟悬停时引发的尾流。黄色的矢量位点是通过粒子图像测速技术显现的气流速度。
The wake of a hovering rufous hummingbird. Yellow vectors show air velocity, revealed by particle image velocimetry.
最重要的一点是在电离层的电子和其他带电粒子的密度是波动的。
One of the most important of these is a fluctuation in the density of electrons and other electrically-charged particles in the ionosphere.
黄色的矢量位点是通过粒子图像测速技术显现的气流速度。
Yellow vectors show air velocity, revealed by particle image velocimetry.
一个纳米颗粒组合由直径在零点五到五纳米的金属粒子组成。
A nanoparticle array consists of metal particles with a diameter of 0.5-5 nanometers.
Lisi展示了多种物理已知的基本粒子和力可以被放于E8模型的点上,并且自然的出现了它们间的相互作用。
Lisi showed that the various fundamental particles and forces known to physics could be placed on the points of the E8 pattern, and that many of their interactions then emerged naturally.
经过14个月的修理,这台巨型机器于周五晚上重新启动,晚上10点左右,第一束粒子波开始沿顺时针方向在隧道内环行。
After 14 months of repairs, the giant machine was restarted on Friday evening and the first beam started circulating in a clockwise direction around the tunnel about 10pm.
因此当我们测量一电子的位置是,我们将其当做处于空间某一点的粒子,拥有不确定的波长。
So when we measure an electron's position, we are treating it as a particle at a specific point in space, with an uncertain wavelength.
它指明了粒子有一个有量子机械作用而决定的能量最低值,我们将其称作为零点能。
It is the point at which particles have a minimum energy, determined by quantum mechanical effects, which is called the zero-point energy.
而在讨论分子构型时,不再是把全同粒子,放在不同的格点上了。
When we're talking about configurations, we're not talking about placing the identical particles in different spots.
这个振荡的电场会把粒子加速推向碰撞点。
This oscillating field would accelerate the particles toward the collision point.
所有粒子作为头发的采样点,覆盖了头发存在的全部区域。
All particles are considered as sample points of hairs, and cover the whole area hairs present.
从头部模型中确定头发的生长区域和头发的生长点,采用分层模型生成和绘制粒子。
The growth area and growth points of hairs are defined from the head model, and layered model is used to gene - rate and draw particles.
这导致越来越多的快速金属氧化物纳米粒子的量子点。
This led to a fast increasing number of metaloxide nanoparticles of quantum dots.
这个空物体必须和发射器有交叉的点以便于从这些部位发射粒子。
The null must intersect with the emitter at the point where you want to emit particles.
ATLAS是将建在LHC其中一个对撞点上的大型多用途粒子探测器。
ATLAS is a huge general-purpose particle detector which will be installed on one colliding point of LHC.
粒子滤波算法(PF)中,序列重要性采样引起采样点贫化,进一步经过重采样后造成分集度损失。
In particle filters (PF), sequential importance sampling will result in sample impoverishment and further the loss of diversity after resampling.
本文提出了一种基于粒子群优化算法的准确、快速和鲁棒性的点匹配方法。
In this paper, we propose an accurate and robust algorithm for solving the point matching problem using particle swarm optimization.
角动量:(有参照点)的矢量和粒子线性动量的向量积。
Angular momentum: the vector product of the position vector (from a reference point) and the linear momentum of a particle.
选取宝鸡市城区测点用平皿沉降法测量了空气微生物粒子沉降量。
The air borne microbial particles precipitation from some sites over the urban district in Baoji City was monitored by using the technique of gravity plate.
选取宝鸡市城区测点用平皿沉降法测量了空气微生物粒子沉降量。
The air borne microbial particles precipitation from some sites over the urban district in Baoji City was monitored by using the technique of gravity plate.
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