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- Ice crystal number concentration versus temperature for climate studies. 冰晶数的集中对应气候研究的温度。
- The total number concentration of aerosol decreased exponentially with time in the acoustic agglomeration process. 在声波作用下，气溶胶总浓度随团聚时间呈指数衰减规律降低。
- Sensitivity of the First Indirect Aerosol Effect to an Increase of Cloud Droplet Spectral Dispersion with Droplet Number Concentration. 气溶胶对雨滴数量浓度表示的云滴谱传输增加的第一间接作用的敏感性。
- The number concentration of the activated cloud condensation nuclei (CCN) is described with the hypergeometric function. 云中凝结核CCN的数浓度采用超几何函数表示；
- Water contents of stratiform cloud vary greatly,and have close positive relationship with particle number concentration. 云中含水量在水平方向上的变化大,且与粒子数浓度存在正相关。
- The measured CADR values decreased with increasing aerosol number concentration apparently due to coagulation effect during the natural decay measurement. 以小型测试空间是可行的，但需在系统洩漏造成影响前进行CADR计算。
- The results show that the particle number concentration increases along height of scrubbing chamber, but the particle number concentration distribution in the cistern becomes wave-shaped. 研究表明：沿洗涤室高度方向颗粒数密度分布总体呈下降趋势，在洗涤室液池内颗粒数密度分布存在波动形式；
- By image processing based on newly developed software, the number concentrations of sorbent particles and water droplets are presented. 利用二次开发的软件,经过图像处理得到活化反应器内脱硫剂颗粒和雾化水滴数量浓度。
- number concentration distribution 数密度谱
- molecule(or particle) number concentration [化] 分子(或粒子)数浓度
- Aerosol particle number concentration 粒子数浓度
- He thumbed through the directory to look for her number. 他翻阅电话号码簿找寻她的号码。
- Let me note down your address and telephone number. 让我记下你的地址和电话号码。
- He picked a winning number on the first draw. 他第一次便抽到一个中奖号码。
- The number of fish in coastal waters has decreased. 沿海鱼的数量已减少了。
- The number represented by the digit or digits in2. 在释文2。中所说的由一位或几位数字表示的数。
- The students in our class number thirty. 我班总共有三十名学生。
- I dialed the right number, but nobody answered. 我拨的号是对的，但没有人接电话。
- A number of new hats were on parade at the wedding. 在婚礼上见到有些人戴著新式的帽子。
- A number of satellites are now circling the earth. 一些人造卫星现在正环绕地球飞行。
