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- Secure Digital Modem 安全数字调制调解器
- Verify that you have analog phone lines installed, or, if you have digital phone lines installed, verify that your computer has a digital modem. 请验证是否安装了模拟电话线,或者如果安装了数字电话线,请验证计算机是否具有数字调制解调器。
- Secure Digital Memory Card. A flash based memory card designed to provide secure high capacity data storage. 安全电子存储卡。一种基于为提供安全的大容量数据存储功能而设计的闪存。
- Siemens is proud to present the secure digital radio communication system TETRA (Terrestrial Trunked Radio). 西门子隆重推出安全的数字无线通信系统:TETRA数字集群通信系统.
- Digital modem technology in the digital communication occupies a very important position, commonly used digital modulation are: frequency shift keying (FSK) and phase-shift keying (PSK), and so on. 数字调制解调技术在数字通信中占有非常重要的地位，常用的数字调制有：移频键控（FSK）和移相键控（PSK）等。
- A type of narrow-band digital modem 一种窄带数字调制解调方式
- Media and technology companies enjoy operator relations support and brand-building services that are integrated and managed on mobile operator networks with secure digital rights management. 媒体和技术公司将在带有安全的DRM(数字版权管理)的移动运营商网络中享受运营商关系的支持和品牌建设服务。
- The Designation of Digital Modem of QPSK QPSK数传调制解调器的设计
- The latter is split off from the digital modems by filters,thus guaranteeing uninterrupted POTS. 后者利用滤波器与数字Modem脱开，以保证不中断的POTS。
- A security digital contract system in which hash and digital signature are used to embed watermark to a digital contract is implemented under a practical application. 本方案以在某企业的具体应用为背景实现了一套对电子合同进行散列、字签名,然后通过水印技术将信息隐藏入合同的安全电子合同系统。
- The latter is split off from the digital modems by filters, thus guaranteeing uninterrupted POTS. 后者利用滤波器与数字modem脱开，以保证不中断的POTS。
- postage-stamp-size Secure Digital slot 邮票大小的安全数字插槽转移
- Secure Digital Net Radio Interface Unit 安全数字网络无线电通信界面单元
- A Study on the Decoding Algorithm of the V.90 Digital Modem 90数字调制解调器解码算法的研究
- Digital Modem Based on New Algorithm of Bit Synchronization 基于一种新的比特同步算法的数字式Modem
- We'll need to secure a bank loan. 我们需获银行贷款。
- In all probability,analog and digital modems,ISDN,cable modems,and DSL,will be sharing the networking scene for some time,competing for some niche applications,and solidly entrenched in others. 在一段时间内，很有可能是模拟和数字Modem、ISDN、有线电视Modem和DSL并存，为争得某些专门的应用而竞争，并把其它的挡在外面。
- A climber needs secure footholds. 攀登的人脚踩的地方要很牢固。
- The child felt secure near its parents. 这个孩子在父母跟前感到很安全。
- Make the windows secure before leaving the house. 出门之前把窗户关严。
