I choose to wrap the DAO in an interface, so I can switch my data access layer to use different persistence strategies.
我选择将这个dao封装在一个接口中，这样我就能够切换数据访问层来使用不同的持久性策略。
These counters are maintained automatically at the storage layer without requiring any switch.
这些计数器将在存储层上自动维护，不需要进行任何切换。
The second switch is from a JNI layer to a kernel space.
第二个切换是从jni层到内核空间。
The device management network setup is usually very simple: a flat-layer two-type network on a 10/100 switch is acceptable for device management purposes, so no further explanation is needed.
设备管理网络的设置通常非常简单：在 10/100兆交换机上平层的两类网络可以满足设备管理要求，所以无需多做说明。
But as Linux already incorporates a layer-2 switch within the kernel, some have asked why a virtual switch is even necessary.
但是，因为Linux已经在内核中包含一个2层交换机，所以有人可能会问，为什么会需要虚拟交换机？
A layer-3 switch is a switch that can perform routing functions.
三层交换机是可执行路由功能的交换机。
Service network layer: the service network USES the mature Ethernet switch redundancy technology, such as the stack or main standby mode.
业务网络层：业务网络采用成熟的以太网交换机冗余技术，比如堆叠或者主备模式。
Bone marrow stem cells can switch roles to produce a protein that promotes growth of the cornea, the transparent layer of the eyeball, scientists have found.
科学家已经发现骨髓干细胞能够转化角色，产生一种蛋白。该蛋白能促进眼角膜(眼球透明层)的生长。
Replace the Layer 2 switch with a router.
以一个路由器代替层2开关。
So far, we have finished examining the server-side data access layer logic for custom authentication and reset password. We will switch to the client side next.
至此，已经完成客户端对自定义授权与重置密码的数据访问层逻辑。现在看看客户端。
The interface of three-layer switch is the component that exchange data between switch and other devices in network it play a key role in switch system.
三层交换机接口指的是交换机系统与网络中的其它设备交换数据并相互作用的部分，在交换机系统中起着至关重要的作用。
The optical switches and optical switch arrays, as key components in DWDM optical network, are used to implement the route selection, wavelength selection and optical cross-connect in optical layer.
光开关与光开关阵列是DWD M光网络的关键器件，主要用来实现光层的路由选择、波长选择和光交叉连接等功能。
Storage network layer: the use of multiple storage fiber optic switch to form a redundant storage network.
存储网络层：使用多台存储光纤交换机构成存储冗余网络。
Starting From the traditional switching technology, the third layer switching technology, and the relation between IPV6 and the third layer switch, and its application in network are discussed.
从传统的交换技术出发，讨论了第三层交换技术，第三层交换和IPV6关系及第三层交换技术在网络中的应用。
The tracking error is driven into the given boundary layer by the sliding mode control, and then the switch control is replaced by fuzzy control.
利用滑模控制使系统的跟踪误差进入给定的边界层内，启用模糊控制取代切换控制；
An electroluminescent lamp (52) is imprinted on the graphic indicia layer (56) and a membrane switch (50) is formed on the lamp.
将场致发光灯(52)压印到图形标记层(56)上，并将薄膜开关(50)形成在所述灯上。
At the application layer of the ISO stack, a Layer-7 switch looks only for application-specific protocols such as HTTP, to direct to appropriate destinations.
在ISO分层模型的应用层，第7层转换只查找应用程序特定的协议，如HTTP，以定向到适当的目的地。
The monolithic switch (50) has a layer (120) for sensing switch actuation by means including resistance change, capacitance change, or magnetic field change.
所述单片开关(50)具有利用电阻变化、电容变化或磁场变化来感测开关的致动的层(120)。
The present invention relates to a method for protecting a network against a security attack from an user, and in particular, for a layer 2 switch, against a MAC flooding attack.
本发明涉及一种用于保护网络免于来自用户的安全攻击并且尤其是对于第2层交换机而言免于MAC洪流攻击的方法。
AB method is much advanced in monitoring the thickness. Through the switch of monitoring glass and appropriate choice of wave length, stop point of each layer was located in sensitive position.
AB法是一种比较先进的监控方法，通过变换监控片和移动监控波长，把每层膜的镀制停点选择在灵敏位置。
For example, if a multilayer switch supports IP, then IPX packets can only be switched at layer 2 not routed at layer 3.
例如，若某台多层交换机支持ip协议，ipx包则只能在第二层上交换，不能在第三层上规定路由。
This paper discusses the key technologies of layer 3 switch-IP switching and analysis several different IP switching techniques. Finally it refers the existing problems in IP switching.
讨论了第三层交换-IP交换的关键技术，分析比较了几种不同的IP交换技术，并指出了所存在的问题。
One of several different types of filters can be assigned to a trace listener to provide a layer of screening beyond that provided by the trace switch.
您可以将多种不同类型筛选器的其中一种指定给追踪接听程式，以提供追踪参数所提供之筛检以外的另一层筛选。
Layer 3 switching can occur at two different locations on the switch.
三层交换可以发生的地方分成两种不同的模式。
Layer 3 switch not only implements high-speed data transit, but also accomplishes routing among VLANs.
三层交换机既实现数据的高速交换，又完成VLAN之间的路由。
The layer 3 switch technology which fits for the need of aggregation layer is a combination of the layer 2 switch technologies and routing.
三层交换技术将传统的二层转发和路由技术结合起来，特别适合汇聚层的需要。
Currently, layer 3 switch network devices have spread from the core of network to the edge of network. It occupys a large part of network devices market.
目前第三层交换机已由网络的核心延伸至网络的边缘，占据了相当大的市场份额。
In this paper, we detailedly describe two ways used by Layer 3 switch when it accomplishes VRRP redundancy backup in the network.
本文详细阐述了三层交换机进行VRRP冗余备份时所采用的两种方式。
Hence, multi-layer polymer injection allocator with single-tubing and sliding sleeve switch is developed, and development, lab experiment and pilot test of this polymer alloca...
为此研制了聚合物单管多层滑套开关式配注器，介绍了滑套开关式配注器研制、室内实验和矿场应用情况。
Hence, multi-layer polymer injection allocator with single-tubing and sliding sleeve switch is developed, and development, lab experiment and pilot test of this polymer alloca...
为此研制了聚合物单管多层滑套开关式配注器，介绍了滑套开关式配注器研制、室内实验和矿场应用情况。
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