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Owing to the advent of the free-space coupling technology, the angle of incidence beam can be small, then we can use the high sensitivity of ultrahigh-order modes in a optical waveguide. 在结构上，由于采用了波导的自由空间耦合原理，无需耦合器件，可以使入射光在小角度处入射，从而可以利用波导高阶模灵敏度高的特性，结构简单，易于加工制造。
The electron range increases with decreasing atomic number and increasing incident beam energy E0. 电子射程随着原子序数的减少和入射束能量E0的增加而增加。
By travelling horizontally in this way, a plasmon passes through more of the solar cell’s silicon than any incident beam from the sun could. 等离子体通过这样平行散播，它就能与任何角度入射的太阳光线相比穿过更多的太阳能电池中的硅。
Firstly the focused incident beam is decomposed into a spectrum of plane waves, and the amplitude vector of each plane wave is acquired. 首先将入射的聚焦光束分解为平面波谱，得到每个平面波的振幅矢量；
A numerical calculation method for intensity function and polarization ratio of the collimated incident beam scattered by small particles is given. 得到了强度函数和偏振度随相关物理参量变化的三维图，为微小颗粒散射研究提供了一种三维视图。
By travelling horizontally in this way, a plasmon passes through more of the solar cell's silicon than any incident beam from the sun could. 等离子体激元以这种方式水平地运动，比任何来自太阳的入射光线更多地经过太阳能电池的硅。
Besides,whether the incident beam is elliptically polarized or linearly polarized(with polarization state other than TE or TM),the reflected beam will exhibit a transverse shift. 另外,反射光束不仅在椭圆偏振态入射的情况下会产生横向位移,而且在TE和TM偏振态之外的其他线偏振态入射时,也会产生横向位移。
Some experiments are also done to calibrate incident beam.The incident beam going through the subapertures of Hartmann system projects on the focal plane to form light spots. 如果哈特曼-夏克系统相邻子孔径在焦面的投影中心间距(焦斑点阵间距)比理想平面束中心间距大,入射光束为发散束;
The rate of incidence of a disease. 发病率发生疾病的概率
She performed on the balance beam with much grace. 她在平衡木上表演得非常优美。
There's a high incidence of heart disease there. 那个地方心脏病的发病率很高。
The experimental transmission spectrum of anomalous dispersion atomic optical filter with off-axis incident beam is given in this paper,which agrees well with the theoretical result. 本文还进行了斜入射的滤光器透射谱实验研究，与理论分析符合较好；
The beam of the searchlight pierced the darkness. 探照灯的光柱射入黑暗中。
His answer was right on the beam. 他的答案完全正确。
The incidence of cases of rape have increase over the last year. 强奸案的发案率在去年有所增加。
Four incident beams were arranged to be an isosceles triangle with a right angle and focused by a single front lens. 四束入射光布置成等腰直角三角形,用一个前透镜聚焦。这种光学布置光能利用率高,并能适用于近壁处流速测量。
He struck the beam with his head. 他的头撞到梁上了。
The beam has a thickness of 3 inches. 这根梁厚3英寸。
Never heard of her. You're off the beam. 我从来没有听说过这个人，你搞错了吧。
Mind you don't knock your head (on this low beam). 小心，别(让这根低梁)撞著头。