The system has 256 MB RAM, expandable to 2GB.

　　這個(gè)系統(tǒng)內(nèi)存256兆字節(jié)，可擴(kuò)充到2千兆字節(jié)。

　　Expandable tube will be developed for well construction in single hole.

　　膨脹管技術(shù)的發(fā)展方向，是單一直徑井眼的建井技術(shù)。

　　This method is simple for use and also has expandable ability if combining with the system design.

　　該方法簡潔實(shí)用，結(jié)合系統(tǒng)設(shè)計(jì)仍有更進(jìn)一步擴(kuò)展的潛力。

　　Study on expandable tubular technology& key points and first application.

　　膨脹管關(guān)鍵技術(shù)研究及首次應(yīng)用。

　　Research of optimization on personal expandable consumption during the life period.

　　生命周期個(gè)人拓展消費(fèi)的優(yōu)化研究。