常見例句The concept of Packet Transport Network (PTN) came into being against this background. 分組傳送網(wǎng) (PTN) 的概念就是在這樣的背景下應(yīng)運(yùn)而生的。The concept of PTN is broad.There are many programs to realize it under the current network and technical conditions. PTN 的概念比較寬泛,在目前的網(wǎng)絡(luò)和技術(shù)條件下有許多實(shí)現(xiàn)方案。Objective To evaluate the diagnostic value of the tumor marker of pleiotrophin(PTN) in patients with lung cancer. 目的評(píng)價(jià)腫瘤標(biāo)志物多效蛋白(PTN)對(duì)肺癌早期診斷的價(jià)值。The content of DTN and PTN were 77.2% and 22.8%,thereinto,the content of ammonia was 50.8%,while the contents of DTP and PTP were 75.6% and 24.4%. (h.;ind)-1。 DTN、PTN占總氮排泄量的百分比分別為77Packet Transport Network (PTN) technology includes the Transport Multi-Protocol Label Switching (T-MPLS) and Provider Backbone Transmission (PBT). 分組傳送網(wǎng)(PTN)技術(shù)包括傳送多協(xié)議標(biāo)簽交換(T-MPLS)和運(yùn)營(yíng)商骨干傳送(PBT)。The emergence of PTN is an inevitable result of optical transport network technology development in the communications network service providers realistic business environment. PTN 的出現(xiàn)是光傳送網(wǎng)技術(shù)發(fā)展在通信業(yè)務(wù)提供商現(xiàn)實(shí)的網(wǎng)絡(luò)和業(yè)務(wù)環(huán)境下的必然結(jié)果。 返回 PTN