waves include primary wave (P-wave) and secondary wave (S-wave) .

What kind of wave does the scientist use to alarm? A: Computer program. B: The S-wave C: The P-wave. D: Air traffic controllers

Seismic waves include P wave, S wave, Rayleigh wave and Love wave, of which the fastest is P wave.

Various researches have determined that the biggest wave load appears when a wave length is _____ the ship’s length.

The Schrödinger equation is （ ） A: a wave equation for Electromagnetic waves. B: a wave equation for photons. C: a differential equation for the time evolution of position. D: the relativistic version of Newton’s second law equation. E: a wave equation for non-relativistic electrons.

In a ( ), the oscillations are perpendicular to the direction in which the wave travels. An example is a wave on a string. A: transverse wave B: longitudinal wave

What kind of wave does ultrasound belong to and has certain radiation? A: Electromagnetic wave B: Mechanical wave C: Particle wave D: Light wave

The sound wave is (). A: Mechanical transverse wave B: Mechanical longitudinal wave C: Electromagnetic wave D: X<br/>rays.

wave to/at sb wave goodbye to sb

驻波 standing wave；stationary wave