explorat ion

同根派生

How to hold powerful competition becomes the realismissue which need to be resolved for physics Explorat ion Center(PEC).
物探中心如何才能拥有强大的竞争力，成为迫切需要解决的现实问题。
Keywords multicomponent seismic explorat ion;vectorial wave field;reverse-time mi gration;imaging condition220Hz）;and hei;
多波勘探;矢量波场;逆时偏移;成像条件;
We sailed from Perth with a cargo of raw ion.
我们装着一船生铁从佩思启航。
Both of these particles can produce ion pairs.
这两种粒子都能产生离子对。
Computers are now widespread ion China.
如今，计算机在中国被广泛应用。