例句：

　　許多大城市汽車(chē)多，排放大量廢氣，污染問(wèn)題日益嚴重。

　　Waste gases from automobiles account for the ever increasing problems of pollution in many big cities.

　　許多大公司和研究機構在基于SAN網(wǎng)絡(luò )協(xié)議的存儲管理系統方面進(jìn)行了大量的研究工作，并推出了一些商業(yè)化的系統。

　　Many foreign large corporations and research organizations have done a lot of research work in storage managing system based SAN.

　　美力行公司曾為許多大型建筑提供了大量的各種類(lèi)型規格的點(diǎn)式幕墻配件。

　　Meilihang Company has ever provided large buildings with large amount of point-style curtain wall parts of various kinds and specifications.