常見(jiàn)例句雙語(yǔ)例句Numerical research was taken to study the field curvature effect on the far-field diffraction ring pattern based on Kirchhoff diffraction integral.利用菲涅爾-基爾霍夫衍射積分公式數(shù)值模擬研究了高斯光束波前場(chǎng)曲對(duì)于高斯光束通過(guò)自散焦液晶介質(zhì)后遠(yuǎn)場(chǎng)衍射圖樣的影響。www.jgjs.net.cnIn this paper, we gave an integral inequality for isometric immersed submanifolds with Parallel mean curvature vector in pinched Riemannian manifolds, and improve the result obtained by H. Q. Xu.本文對(duì)一般拼擠黎曼流形中的具有平行平均曲率向量的等距浸入子流形給出了一個(gè)積分不等式,改進(jìn)了已有的結(jié)果。http://chazidian.comIn the paper, we discuss the integral invariant about the square of the norm of the second fundamental form S and the pinching problem of the submanifolds with parallel mean curvature vector in Nn+p .討論局部對(duì)稱(chēng)空間中具有平行平均曲率向量的子流形,得到其關(guān)于第二基本形式模長(zhǎng)平方的積分不等式的相關(guān)定理。 返回 integral curvature