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- The dose distribution on the central axis plane was measured by film badge. 用胶片法测不同窄条野不同能量下射野中心轴平面等剂量分布,分析等剂量曲线特点。
- Keywords: acoustics, muffler, transfer matrix, plane wave. 关键词：声音、消音器、传输矩阵、平面波。
- An eigenstate of momentum, on the other hand, has the form of a plane wave. 在其它方面一个动量特征态具有一平面波形。
- Materials and Methods: The precision and accuracy of target position in Z axis plane and X axis plane were measured by the film dosimeter. 材料和方法： 通过胶片法分别测量靶点位置在Z轴平面和X轴平面上的总精确度。
- The above curve data illustrates the excellent S2.1M horizontal tweeter dispersion characteristics taken at 0 degrees (on axis), 15 degrees, 30 degrees, and 45 degrees off axis. 上图曲线数据说明在0度（轴向），15度，30度，45度（偏离轴向），优秀的S2.;1M水平高音离散特性。
- A special type of unsteady motions which bear a resemblance to plane wave solutions of the linear theory of elasticity can be constructed. 一种特殊类型的、和线性弹性理论中的平面波解有点相象的非稳态运动可以建立起来。
- When an inhomogeneous plane wave is introduced into a dense dielectric layer, it can bounce between the two boundaries. 把一非均匀平面波引进折射率较高的介质层时，它会在上下界面间来回地“弹”射。
- It is important to recall that a sound wave in a nonhomogeneously deformed material cannot be a plane wave. 重要的是要记得，非均匀变形材料中的声波不可能是平面波。
- Keep in mind that an idealized monochromatic plane wave must be depicted as an infinite wave train. 要记住，一个理想的单色平面波应当表述为一个无限的波列。
- The computational results are in accord with the results of plane wave Born Approximation. 计算结果与平面波玻恩近似结果符合得较好
- The results show that acoustic wave in pipeline propagates as plane wave with little falloff. 研究结果表明，声波通过管道中介质以平面波传播且衰减较小；
- off axis power density radiation 离轴辐射功率密度
- With plane wave method,it is proved that the 1D-USPC shares the same bandgap character. 利用平面波法证明了一维超声光子晶体具有一般一维周期层叠结构光子晶体的禁带特征。
- The bandgap structure of one-dimensional photonic crystal was calculated and derived with the plane wave method(PWM). 用平面波法研究了椭圆钢柱与环氧树脂组成的三维简立方晶格声子晶体的带隙结构。
- The vectorial cut mode for two axis plane graph 二维图形的矢量裁剪法
- The description of a plane wave diffracted by a circular aperture is directly started from the Maxwell's equations. 平面波经圆孔光阑衍射的表征是直接基于麦克斯韦方程组。
- abscissa axis plane T2WI showed owl eye sign(Fig5); 横轴位T2WI见脊髓内“猫头鹰眼”征（图5）；
- The reflection and transmission coefficients of the plane wave at the birefringent surface were deduced. 导出了平面波在双折射介质表面的反射系数和透射系数公式。
- If the wavefronts are parallel lines, the waves are called plane waves. 假如波前为一些互相平行的轮廓面，这波就叫平面波。
- He bit off a large piece of the apple. 他咬下一大块苹果。
