The IP layer provides a connectionless and unreliable delivery system. 在網(wǎng)絡(luò )層提供了無(wú)連接的不可靠傳輸系統。
In addition, the invention also discloses a transmission system of elevator controlling information. 另外，本發(fā)明還公開(kāi)了一種電梯控制信息傳輸系統。
Our transport system has a serious design fault. 我們的運輸系統設計有個(gè)嚴重缺陷。
The world's transport systems would fall apart without a supply of electricity. 全世界的運輸系統也將因沒(méi)有電力供應而陷于癱瘓。
Transport developed on an unprecedented scale, and a comprehensive modern transport system began to take shape. 交通建設空前發(fā)展，現代綜合運輸體系初步形成。
Another solution is to develop modern public transportation systems and restrict the use of private cars. 另一個(gè)解決方法是逐步發(fā)展現代的公共的交通運輸體系和限制私人車(chē)輛的使用。
