Each document must have a unique first element, the root node.

Occurs after the tree node is selected.

在选定树节点后发生.

The heritabilitles of flowering time and the node of the firstpistillate flower , however , are low, 56.62 %, 31.03 % , respectively.

而开花期与第1雌花数节位较低, 分别为56.62%, 31.03%.

Defines a field type for referencing a user from a node.

定义一个字段类型,用来从节点引用用户.

At which OSI layer do the differences between standard Ethernet, Fast Ethernet and Gigabit Ethernet occur?

在标准乙太网路, 高速乙太网路和千兆位乙太网路之间的差别在哪个OSI层发生?

WAN technologies function at the lower three layers of the OSI reference model.

广域网路技术功能在OSI参考模型最低的三层.

Session Layer of the OSI model is responsible for establishing process-to-process commnunications between networked hosts.

会议层是OSI模型的建立过程中,负责对联网主机之间commnunications进程.

NM's functions include OSI function and Non-OSI function.

网管功能包括OSI管理功能和 非 OSI管理功能.

The aspects of an application process pertinent to OSI.

应用进程与开放系统互连(OSI) 模型相关的各个方面.

Which layer of the OSI model can provide a connection-oriented, reliable data transfer between two hosts?

OSI模型的哪一层能提供一笔连接定向的, 可靠的数据在二个主人之间的移动?

In the OSI, gateway has two kinds: one kind is connection-oriented gateway, a connectionless gateway.

在OSI中, 网关有两种: 一种是面向连接的网关, 一种是无连接的网关.

Level 2 corresponds to the OSI Layer 2 ( Data Link Layer )

第2级对应于OSI第2层 ( 数据链路层 )

It is the architecture for telecommunication network management based on OSI's system management concept.

TMN是由国际电信联盟电信标准化部门基于OSI系统管理的概念所提出的电信网络管理的体系结构.

Which term describes the process of adding headers to data as it moves down OSI layers?

那一种术语在描述增加表头资料时会让OSI阶层下降?

Function in the application layer related to the management of OSI application processes.

与开放系统互连(OSI) 应用进程的管理相关的应用层中的功能(或操作程序).

Refer to the exhibit. Which column shows the correct sequence of OSI model layers?

参考图示. 那一栏显示OSI模型层的正确的顺序?

The numbers are based on the famous ( if not exactly current ) seven-layer OSI model.

这些数字是以出名的七层的OSI模型 为基础 ( 如果不是很严密的讨论 ).

Which of the following are primary duties of the OSI transport layer?

哪一下列各项是OSI传送的主要责任层?

Level 1 corresponds to the OSI Layer 1 ( Physical Layer )

第1级对应于OSI第1层 ( 物理层 )

The Inspector opened the packet of cigarettes.

检查员撕开了那包香烟。

The radio only weighs a few ounces and is smaller than a cigarette packet.

这台收音机重量仅为几盎司，比香烟盒还小。