1.Before backbone nerve, hind the is highlighted by film of spinal cord stiff backbone and arachnoid bursa more scabbard place when the root walks out of vertebra to be in charge of is wrapped by, call backbone film sleeve, the clearance between two scabbard and arachnoid next antrum are interlinked, nerve root is complete dip in cerebrospinal fluid, from this before, hind two wear film of classics stiff backbone severally, the scabbard that forms for stiff backbone film respectively laps, the Fu in two by there is one cranny to call backbone film pocket between putamen, this scabbard is wrapped by hind the backbone ganglion of the root.
脊神经前、后根走出椎管时多被脊髓硬脊膜及蛛网膜囊突出的鞘所包被，称为脊膜袖，两鞘之间的间隙和蛛网膜下腔相通，神经根完全浸于脑脊液中，自此前、后两根各自穿经硬脊膜，并分别为硬脊膜形成的鞘包裹，在两根的覆被硬膜之间有一裂隙称为脊膜囊，此鞘并包被后根的脊神经节。
2.Root of backbone nerve around is in backbone ganglion is far side assemble, scabbard of stiff backbone film also closes subsequently for one scabbard, become backbone nerval velamen, namely the film outside nerve, because backbone ganglion is located in between vertebra Kong Shuiping, the length of backbone nerve root has variation consequently.
脊神经前后根在脊神经节远侧会合，硬脊膜鞘也随之合为一鞘，成为脊神经的被膜，即神经外膜，由于脊神经节位于椎间孔水平，脊神经根的长度因而有变异。
3.In its most powerful application, a 100M bit/sec backbone switch can be a high performance collapsed backbone for 10M/100M bit/sec desktop switches and 100M bit/sec attached centralized servers.
在其最强大的应用中，100兆位/秒的基干交换机可以是10兆/100兆位/秒台式交换机和100兆位/秒从属中央服务器的高性能降级基干网。
4.BCG vaccine basically can prevent blood of meningitis of n/med tuberculosis sex, acute to be sowed all right medicinal powder sexual tuberculosis; Backbone grey vaccine can prevent a poliomyelitis (common says " poliomyelitis " ) ; 100 white broken vaccine can prevent whooping cough, diphtheria, tetanus 3 kinds of contagion; Measles vaccine is used at preventing hives; Second liver vaccine can prevent hepatitis B; Vaccine drifting a head can prevent meningitis of epidemic head backbone; Second head vaccine can prevent epidemic encephalitis; Measles vaccine prevents nettle rash; Armour liver vaccine prevents hepatitis of armour virus sex; Vaccine of hemp cheek wind can prevent hives, mumps, measles 3 kinds of contagion; Flu vaccine is used at preventing a grippe; Yaricella vaccine prevents yaricella; What pneumonic vaccine can prevent be caused by of the pod film that vaccine is aimed at pneumococcus is pneumonic wait for a disease; Haemorrhage heats up vaccine to be able to prevent epidemic haemorrhage heat.
卡介苗主要可预防结核性脑膜炎、急性血行播散性肺结核；脊灰疫苗可预防脊髓灰质炎（俗称“小儿麻痹症”）；百白破疫苗可预防百日咳、白喉、破伤风三种传染病；麻疹疫苗用于预防麻疹；乙肝疫苗可预防乙型肝炎；流脑疫苗可预防流行性脑脊髓膜炎；乙脑疫苗可预防流行性乙型脑炎；风疹疫苗预防风疹；甲肝疫苗预防甲型病毒性肝炎；麻腮风疫苗可预防麻疹、流行性腮腺炎、风疹三种传染病；流感疫苗用于预防流行性感冒；水痘疫苗预防水痘；肺炎疫苗可预防疫苗针对的荚膜型肺炎球菌所致的肺炎等疾病；出血热疫苗可预防流行性出血热。
5.With gigabit traffic streams funneling through the LAN backbone, carrying a mix of data, graphics, voice and video exchange, backbone switches have to assume the mantle of high-end functionality.
由于千兆位流量通过局域网主干网汇流在一起，运载着数据、图形、声音和视频交换的混合信息，主干网交换机必须承担高档功能的外包装。
6.So the network management system based on SNMP can not manage the backbone efficiently, meanwhile it also reduces the performance of backbone.
不仅无法有效地管理主干网,同时还降低主干网的性能。
7.Based on the comparison of backbone network technology character among 100BASE-X, 100VG-AnyLAN, FDDI, ATM, the conclusion of the medium and small scale college adapted 100BASE-X as campus backbone network is got, and last a plan that builds up the 100BASE-X campus network is given.
通过对100BASE－X、100VG－AnyLAN、FDDI、ATM4种网络主干技术特点的分析，得出中小规模校园网宜采用100BASE－X为主干技术的结论，并给出了100BASE－X为主干的校园网络构成方案。
8.The molecular structure, such as the stiffness of the polymer backbone and the spacer connecting the hydroxyl group with the backbone, of the polymers greatly affect the interaction between the polymers and the vesicles.
研究发现高聚物的分子结构，如主链的柔顺性、连接主链和羟基的侧链长度等都对高聚物与脂质体的相互作用起到至关重要的作用。
9.3. Briefly narrated the Ad hoc virtual backbone technology, brought up the address two allocation schemes based on the virtual backbone, which included the scheme based on the flooding mechanism and the predistribution mechanism, and provided the simulation results, too.
3．简述了Ad hoc虚拟骨干网技术，提出了基于虚拟骨干网的地址配置技术，包括基于泛洪机制的配置技术和基于预分配机制的配置技术，并给出了仿真结果。
10.The Satellite Channel Dynamic Backup System (SCDBS) of China Education and Research Network (CERNET) is a set of projects that is designed to guarantee the fluent communication of CERNET backbone, to improve the reliability of the communication channel and reduce the cost of backbone.
中国教育科研网（CERNET）卫星信道动态备份系统是采用动态备份技术，利用卫星信道作为备份信道，为保障CERNET主干网通信畅通，提高通信信道可靠性，节约主干网运营成本，而设计的一整套备份系统解决方案。
