常見例句The concept of Packet Transport Network (PTN) came into being against this background. 分組傳送網 (PTN) 的概念就是在這樣的背景下應運而生的。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,在目前的網絡和技術條件下有許多實現方案。Objective To evaluate the diagnostic value of the tumor marker of pleiotrophin(PTN) in patients with lung cancer. 目的評價腫瘤標志物多效蛋白(PTN)對肺癌早期診斷的價值。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(PTN)技術包括傳送多協議標簽交換(T-MPLS)和運營商骨干傳送(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 的出現是光傳送網技術發(fā)展在通信業(yè)務提供商現實的網絡和業(yè)務環(huán)境下的必然結果。 返回 PTN