It could also mean that a higher layer listens and ACTS upon events sent by a lower layer.
这还意味着，较高层将侦听较低层发出的事件，并据此进行操作。
Typically it would mean that a higher layer can call a lower layer, but not the other way around.
这通常意味着较高层可以调用较低层，但是不能反过来调用。
In the layered system, higher layers, such as application, can depend on any lower layer, such as util.
在分层系统中，上层(比如application)可以依赖于其下任何一层(比如util)。
On the middle layer there is my table lamp. And I place all the story books and some magazines on the lower layer.
中间那一层放着我的台灯，我把所有的故事书和杂志放在最底层。
A set of rules that govern embedding and extracting the SAML information from lower layer communication protocols is called a profile.
控制在底层通信协议中嵌入和提取SAML信息的一组规则称为一个配置文件。
Then, a laser is used to reshape the lower layer of corneal tissue.
然后，用激光修整下层角膜组织的形状。
It will be a universal and fundamental tool for lower layer image mining.
它将成为图像底层挖掘的通用的、基本的工具。
The block in the enhancement layer corresponds to the block in the lower layer.
增强层中的块对应于较低层中的块。
The two unloaders correspond respectively to the lower layer belt conveyor and can be switched.
两台卸料器分别与下层皮带输送机相对应，并可切换。
These 2 crusts show 3 structural layers: compact upper layer, porous middle layer and compact lower layer.
这2个结壳从结构上分为3层：致密型上层、疏松型中层和致密型下层。
Application logic layer was established in lower layer frame, function module was described with metadata file.
在低层框架上构建应用逻辑层，并用元数据文件描述模块功能。
On the middle layer there is my table lamp. And I place all the story books and some magazines on the lower layer.
中心那一层放着我的台灯，我把所有的故事书和杂志放在最底层。
Monitoring data are stored layer by layer, and the database in the lower layer serves data processing in the upper layer.
监测数据分层处理和存储，下层数据库为其上层的数据处理服务。
The total and autocorrelation spatial heterogeneity of soil physical properties in top layer were greater than that in lower layer.
土壤物理性质总空间异质性程度和由空间自相关引起的异质性均为表层土壤高于下层。
So-called "transparent" in the article means that the transport of the information and data in the lower layer is invisible to the users.
本文中所谓的“透明”是指信息和数据在底层的传输对用户而言是不可见的。
The upper layer is also known as the model device driver (MDD), and the lower layer is also known as the platform dependent driver (PDD).
上层通常被叫做模型设备驱动(MDD)，下层通常被叫做平台相关驱动(PDD)。
The technique described in this article uses the concept of a process stack, where a higher layer relies on the services provided by a lower layer.
本文中描述的技术使用了流程堆栈的概念，较高层依赖于较低层提供的服务。
The data manipulation services (in the lower layer) extract data from the physical repositories, and semantic services turn this data into information.
数据操作服务(在下方的层中)从物理存储库中提取数据，并且语义服务将该数据转换为信息。
Network configuration, spectrum allocation, two-way communication, protocol at lower layer and network management for HFC are analysed and studied.
文中对这种网络的网络结构、频谱划分、双向通信、低层协议以及网络管理进行了分析研究。
The compound enhanced film is in a three-layer structure, wherein an upper layer and a lower layer are PVC films, and a middle layer is a glass fiber mesh.
本发明的复合增强薄膜为三层结构，上、下两层为PV C薄膜，中间层为玻璃纤维网。
The compound enhanced film is in a three-layer structure, wherein an upper layer and a lower layer are resin films, and a middle layer is a glass fiber mesh.
本发明的复合增强薄膜为三层结构，上、下两层为树脂薄膜，中间层为玻璃纤维网。
This means that routers strip off the Ethernet header upon reception of a packet, and then add a new lower layer header-ethernet or otherwise-when the packet is forwarded.
这意味着路由器在收到数据封包时就会去除以太网的数据头信息，加上低一层的数据头信息(以太网层或者其他层的)，然后发送给下一方。
The lower layer of the Slumberland Posture Springing System is flexible to absorb every body movement while accommodating each small change in overall weight distribution.
下层弹簧也采用斯林百兰的袋装连锁睡姿弹簧系统，按照人体体重的分布，可吸收身体每一次转动引起的微小震动。
The seismic stress amplitude of the lower layer is larger than that of the upper layer under near-field ground motion, and under far-field ground motion the condition is opposite.
在近场地震动作用下双层隧道下层的地震应力幅值要比上层的地震应力幅值大，在远场地震动作用下则相反；
The external end-surface of the lower layer is provided with a paper layer or a plastic film which is bound together with the lower surface layer through the non-setting adhesive.
下表面层外端面上设有一层纸或塑料膜，并通过不干胶与下表面层贴合在一起。
The finite amplitude solitary waves in stratified fluids of finite depth, in which the density varies with depth in lower layer but keeps uniform in upper layer, are investigated.
本文采用理论分析和符号运算相结合的方法研究有限深分层流体有限振幅内孤立波。
A packet transfer apparatus (3) executes mutual conversion and transfer of an upper layer packet on a user terminal side and a lower layer frame on an optical wavelength path side.
数据包传送装置(3)执行用户终端侧的上层数据包和光波长路径侧的下层帧的相互转换和传送。
The structure of the inclined tube (well) includes an upper layer and a lower layer which are both semicircles or semiellipses, wherein the upper layer can be assembled or disassembled.
斜管(井)的结构分上层和下层，各为半圆或半椭圆，上层可装可卸。
Frequency and loss factor are two important indices of dynamic property of composite structures, in which the viscoelastic material is sandwiched between the upper layer and the lower layer.
频率和损耗因子是粘弹性材料复合夹层结构的两个重要的动力特性指标。
Frequency and loss factor are two important indices of dynamic property of composite structures, in which the viscoelastic material is sandwiched between the upper layer and the lower layer.
频率和损耗因子是粘弹性材料复合夹层结构的两个重要的动力特性指标。
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