secondary emission coefficient
二次(电子)发射系数
热门查询
- misperception n. 误解；错误知觉；错觉
- banking n. 银行业；银行业务；银行家的职业；筑堤 v. 把钱存入银行；做银行家；在…边筑堤（bank的现在分词）
- lunar adj. 月亮的，月球的；阴历的；银的；微亮的 n. (Lunar)人名；(西)卢纳尔
- udder n. （牛、羊等的）乳房
- skidding n. 集材装置 v. 轮滑；滑移；地面上拖行；侧滑滑行（skid的现在分词）
- tape recorder n. 录音机 [网络] 磁带录音机；磁带记录器；磁带机
- pea n. 豌豆 n. (Pea)人名；(意)佩亚
- Farr abbr. failure and rejection report 故障及排除报告; quantitative anti-DNA antibody measurement 抗脱氧核糖核酸抗体定量测量（科技符号）
- immeasurable adj. 无限的；[数] 不可计量的；不能测量的
- luckless adj. 不幸的，运气不好的
- neutralised vt. 中和；使中立；使无效 vi. 中和
- duchy n. 公国；公爵领地；直辖领地
- oiler n. 油商；注油壶；涂油者
- aptitude n. 天资；自然倾向；适宜
- essay n. 散文；试图；随笔 vt. 尝试；对…做试验
- attenuation n. [物] 衰减；变薄；稀释
- eaglet n. 小鹰
- LDP abbr. leadership 领导; ladyship 贵妇人的身份; lordship 爵爷; loan deficiency payment 借款不足报酬
- yarrow n. 蓍草 n. (Yarrow)人名；(英)亚罗
- dance floor n. （旅馆、餐厅等供客人跳舞的）舞场 [网络] 舞池；舞蹈地板；舞池板
考试词汇表
- throw down their arms
- throw down your tools
- throw in contact with
- throw into the ashcan
- throw muck at someone
- throw my mind back to
- throw my weight about
- throw one's chest out
- throw one's mind back
- throw out on sb's ear
- throw people together
- throw sb into anxiety
- throw sheep's eyes at
- throw someone a curve
- throw someone in jail
- throw the first stone
- throw their mind back
- throw themselves into
- throw themselves upon
- throw-the-rascals-out
