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- electron pair relay system 电子对中继系统
- The number of electron pairs an atom can share with other atoms. 共用电子对数,共价一个原子与其他原子共用的电子的对数
- In this paper, subcarrier pair selection and power allocation in broadband OFDM relaying system is addressed. 该文研究宽带OFDM中继系统的最优中继子载波对选择和功率分配。
- This paper analyzes shell electron pair repulsion theory, valence-bond theory and molecular orbital theory on molecular structure of noble gas compounds. 对稀有气体化合物的分子结构分别用“价层电子对互斥理论”、价键理论”和“分子轨道理论”进行了分析处理。
- An axial electron pair meets at right angles with 3 neighboring pairs. 轴向电子对与三个相邻的电子对相交成直角。
- Electricity control technique developed from the relay system to the direct digit control( DDC) system the disperse control system( DCS) to the fieldbus control system ( FCS). 电气控制从继电器控制系统发展到直接数字控制(DDC)系统、集散控制系统(DCS)到目前的现场总线控制系统(FCS)。
- An electron pair. 电子偶电子对
- Relay System is the applicat control systems of Radial Drill of Z3040 ,it can fully achieve the purpose of control requirements. 继电器系统是Z3040摇臂钻床的适用控制系统,能较完全地达到控制的目的要求。
- By calculating the number of va-lence electron shell,we can gain the geometry array of the electronic pair,and then judge the molecular structures. 计算出价层电子对数,得到电子对的几何排布,从而判断出分子的几何构型。
- The protection relay system is an automation system that it can reflect the fault and the deviant state of electric power system and drive the breaker's action or send out the fault message. 继电保护系统是一种能反映电力系统故障和不正常状态,并能在系统故障和不正常状态出现时,及时动作于断路器跳闸或发出信号的自动化设备。
- Traveling with other rebels, the pair relayed radio requests for weapons and supplies and kept the CIA apprised of the resistance inside Tibet. 与当地抵抗组织会合后,二人不但通过无线电向中情局发出了补充武器和供给的请求,还不断向他们通报抵抗局势。
- Another is the Lewis definition (also 1923): An acid (see electrophile) is a chemical that can accept an electron pair from a base (see nucleophile), which they share to form a covalent bond. 另一种理论是路易斯(Lewis)理论(也是在1923年发表):酸(参阅electrophile)就是能由碱(参阅nucleophile)接受一个电子(electron)对形成一个共价键(covalent bond)的化学物质。
- I bought a pair of tan leather shoes the other day. 前几天我买了双棕褐色的皮鞋。
- Above ground, scattered across manicured lawns, are about a dozen buildings bristling with antennas and microwave relay systems. 在地面上面散落着修整过的草坪,大致十二个具有天线和微波接收系统的建筑物。
- Computer-based relaying system consists of subsystems with well defined functions. 计算机继电保护系统由一些功能明确的子系统组成。
- Telegraphic instrument that transmits and receives printed messages and data via telephone cables or radio relay systems. 通过无线电中断系统传送和接收列印资讯和资料的各种电报器械。
- Mulfiproccssor type parallel processing protective relaying system has higher operating speed and working reliability. 多机并行处理式微机继电保护装置具有动作速度快,工作可靠等优点。
- l electron pair repulsion theory 价层电子对互斥理论
- In this model the arrangement of bonds around the cetral atom is considered to depend upon how many valence-shell electron pairs. 在这个模型中,认为围绕中心原子的化学键的排列取决于价层中电子对的数量。
- THE DESIGN OF NETWORK DATA RELAY SYSTEM 网络数据接力系统设计及实现