瞬时的

The theoretical seismicwavelet clearly indicates the characteristics of real seismic wavelets in seismic ex-ploration to thus improve geop...

该成果不仅对地震勘探有实价值，而且对处理其它形式瞬时震源问题也有一定理论。

Weighing filtration membrane is often used to get the dust concentration of environment.However,this method is discommodious and can not get the instantaneous transformation of dust concentration.

境粉尘浓度测定一般使称重方法测得,该方法费时费力,且不能得到瞬时粉尘浓度变化。