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1·After the scattering boundary conditions were set up, the scattering pressure expression of the solid sphere in the focusing area was derived by column function addition theorem.

建立了散射边界条件，并运用柱函数的加法定理，通过理论推导得到了聚焦区内刚性球形微粒的散射声压表达式。

2·In addition, some theorems in classical field theory such as rotation theorem on surface are discussed in this paper.

该文同时还对经典场论中常用的一些定理，如面旋度定理进行了探讨。

3·In addition, the radiance theorem is also adopted to establish the energy relationship between the virtual detector and the CCD camera.

此外，光学系统中像的辐射量度定理用来建立虚拟探测器平面与CCD相机平面之间的能量映射关系。

4·In addition, the theorem of moment of momentum about relative motion of the system of particles to the center of mo…

同时指出利用质点系绝对运动对动矩心的动量矩定理处理有关方面问题的方法更具有普遍性。