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).
物探中心如何才能擁有強(qiáng)大的競爭力，成爲(wèi)迫切需要解決的現(xiàn)實(shí)問題。
Keywords multicomponent seismic explorat ion;vectorial wave field;reverse-time mi gration;imaging condition220Hz）;and hei;
多波勘探;矢量波場;逆時(shí)偏移;成像條件;
We sailed from Perth with a cargo of raw ion.
我們裝著一船生鉄從珮?biāo)紗櫤健?/li>
Both of these particles can produce ion pairs.
這兩種粒子都能産生離子對。
Computers are now widespread ion China.
如今，計(jì)算機(jī)在中國被廣泛應(yīng)用。