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- 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
- 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。
- Based on the similarity of watermark system and communication transform system model,there is an image watermark ing method proposed here which adopted convolutional encoding technique. 文章利用水印系统与通信传输模型的相似性,在图像数字水印算法中引入卷积编码技术。水印在嵌入前经过卷积编码和交织处理,以提高其抗误码能力。
- An electron pair. 电子偶电子对
- 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。
- With respect to the synthetic appraisal value of alternatives,two rank ing methods for interval numbers are proposed. 然后针对决策方案的综合评价值，提出了关于区间数的两种排序方法；
- 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。
- combustion front quench ing method 燃烧波前沿淬熄法
- I bought a pair of tan leather shoes the other day. 前几天我买了双棕褐色的皮鞋。
- l electron pair repulsion theory 价层电子对互斥理论
- A DESIGN ING METHOD OF GENERAL TWO-DIMENSIONAL STATISTICAL TABLES 通用二维统计表格的一种设计方法
- The method seems good but it needs to be tried out. 这个方法似乎不错，但需要试验一下。
- Symbol of electron pair transfer 电子对转移的符号
- Inert Electron Pair Effect and Elemental Properties 惰性电子对效应与元素的性质
- valence-shell electron pair repulsion theory 价层电子对推斥理论
- He was watch ing the crowd go by. 他注视着人群走过。
- 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。
- My gloves are worn out;i'm...ing to buy a new pair. 我的手套坏了，我要去买双新的。
- Valence State Electron Pair Repulsion 价态电子对推斥
