常見(jiàn)例句雙語(yǔ)例句Imaging formulas of Gaussian beams in nonlinear conical GRIN rod lenses are derived from the variational method and the ABCD law.根據(jù)變分法和ABCD定律，導(dǎo)出了非線性錐形梯度折射率棒透鏡中高斯光束的成像公式。 返回 conical lenses