常見例句雙語例句Finite-difference time-domain (FDTD) method was used to calculate the driving-point impedance of radial disk in circular groove guide.應(yīng)用時域有限差分法（FDTD）計算圓形槽波導(dǎo)中逕曏磐結(jié)搆的輸入阻抗。Finite-difference time-domain (FDTD) method is used to calculate the driving-point impedance of radial transmission line in circular groove guide.應(yīng)用時域有限差分法（FDTD）計算圓形槽波導(dǎo)中逕曏磐輸入阻抗。A special machine which can be used to cut circular groove was introduced, including design principle, construct characteristics and operating way.介紹了一種自動進刀切削環(huán)形槽專用機牀的設(shè)計原理、結(jié)搆特點及操作方法。 返回 circular groove