To a new growing point of library service in the network circumstances-digital reference service, the paper produces an overview on the three aspects as definition, delivery models, evaluation and problems, pointing out that librarians are supposed to make corresponding adjustment and responses to their own reference service in the context.
针对网络环境下图书馆服务新的增长点——数字参考服务,从界定、传送模式、评估与问题等三个方面进行了综合论述;指出在网络环境下,图书馆员对自己的参考咨询服务应做出相应的调整和反应。
point-to-multipoint transmission mode
一点至多点的传送模式
Application of Asynchronous Transfer Mode in INFOPORT Engineering
异步传送模式在信息港工程中的应用
Enable USB file transfer in 'Connections' to allow fast file copy over USB cable.
一加快档案传送。插入USB手机座连接电脑时，设为档案传送模式。
Warning:Routing module could not allocate resource tag.
系统内存不够，该传送模式不能分配资源。
Real-time allows the T.30 protocol to be relayed across the IP network.
实时模式允许T.30协议在IP网上中继（分段传送）。
Polling is the fax mode of operation where the caller requests the remote answering machine to send a fax.
轮询:传真的一个操作模式，通常是主叫请求远程应答主机发送传真。
The narrowcast communication-on-demand website model will deliver information formatted in audio and video programs.
定向交流的网站模式会以音频和视频格式传送信息。
multinomial forward transfer element
多项式正向传送单元
portable photo facsimile transmitter
便携式照片传真发送机
Cotal planetary transmission with magnetic clutch
柯达式电磁自动传送器
direct-drive auger
直接传动式输送螺旋
served by post [summons]
由邮递方式送达〔传票〕
rotary belt cleaner
旋转式传送带清洁器
vibrating conveyor drier
振动传送带式干燥机
communication check module
电缆传送系统检查模块
Research of Chain Bucker Transporter and Bucker s Shape of Continuous Transportation;
斗链式传送装置及连续输送斗形研究
This new model in control minimizes the network traffic required to transmit data to devices.
控制上采用这种新的模式可降低将数据传送到设备对网络的要求。
The Study of Continuous-time Current-mode Filters Based on Current Conveyors;
基于电流传送器的连续时间电流模式滤波器的研究
