the displacement current corresponding to a variable irrotational electric field does not excite any magnetic field.
对应于可变有源无旋电场的位移电流不激发磁场。
the gliding longitudinal wave contains three parts, longitudinal wave beam, negative exponential gliding ivro-tational wave and positive exponential gliding irrotational wave.
滑行纵波系由纵波声束、负指数滑行集散波和正指数滑行集散波三种成份所组成。
it is the gliding irrotational wave pair, not the longitudinal wave beam itself that excites longitudinal wave in mud to generate signal.
激发出泥浆纵波而使接收器获得讯号的是滑行集散波,纵波声束并不直接激发泥浆纵波。
a little apart from the surf ace, the longitudinal wave beam may exist and propagate parallel to the surface, yet has to connect with its corresponding gliding irrotational waves.
离开固体表面稍远的区域,可以有平行于表面传播的纵波声束存在,但是需要与相应的滑行集散波相互衔接。
the energy loss of the gliding irrotational wave pair is made up by the longitudinal wave beam.
滑行集散波由于激发泥浆纵波而受到的损耗,要由纵波声束给以补充。
the longitudinal wave cannot exist near the surface of a solid, and those exist near it are gliding irrotational waves.
纵波不能在固体表面存在,在固体表面存在的是相应的滑行集散波。
the connection of the accumulator and the acg startup motor is performed in short time of irrotational degree of the motor.
在马达不旋转的程度的短时间内进行蓄电池和acg启动马达的连接。
the water is idealized and assumed to be irrotational and non-viscous.
水被视作无旋、无粘性理想流体。
it is shown that it is the irrotational component of the active intensity that transfers sound energy in sound field.
在声场中真正传递声能量者仅是有功声强中的无旋分量。
because the irrotational component of the active intensity depends on the surface sound intensity, measuring the surface sound intensity can avoid the effect of the rotation.
有功声强的无旋分量与表面声强有关,因此测量表面声强可避免有旋性的影响。
yet the advancing longitudinal wave beam expands continuously towards the surface, and produces new gliding irrotational waves with it.
但前进中的纵波声束不断向表面扩散而产生出新生的滑行集散波。
the displacement currents in capacitors, which are of common speaking, correspond to the irrotational electric field.
我们通常所说的电容器中的位移电流就是对应于可变有源无旋电场的位移电流。
based on irrotational flow hypothesis and linearized free surface boundary condition, the similarity law of liquid sloshing with small amplitude is studied in this paper.
在理想流假设及线性化的自由表面边界条件的基础上,对刚性容器中液体小幅晃动进行了流体相似律的研究。
it does not require irrotational conditions and the limitation of the ratio of wave length to water depth.