At the request of the civil aviation department , the observatory s l . o . li gave a briefing to a group of atc personnel on 25 march 2003 . as part of a training course for atc personnel , the briefing covered such topics as the climatology and significant weather within the hong kong airspace 应民航处的要求，天文台的李联安于二零零三年三月二十五日为航空交通管制人员安排了一个简报会，作为航空交通管制员培训的一部分。
At the request of the civil aviation department , the observatory s l . o . li gave a briefing to a group of atc personnel on 25 march 2003 . as part of a training course for atc personnel , the briefing covered such topics as the climatology and significant weather within the hong kong airspace 应民航处的要求，天文台的李联安于二零零三年三月二十五日为航空交通管制人员安排了一个简报会，作为航空交通管制员培训的一部分。
2 montoye r k , hokenek e , runyon s l . design of the ibm risc system 6000 floating - point execution unit . ibm journal of research and development , 1990 , 34 : 59 - 71 . 3 oberman s . floating - point arithmetic unit including an efficient close data path 我们采用90纳米cmos标准单元工艺以及synopsys自动布局布线流程进行实验，实验结果表明该算法在高性能双通路结构的浮点加减运算中引入后，可以使得近路径的运算延迟整体降低10 . 2 % ，且算法本身没有造成新的关键路径。
Considering the mass balance law for solute , and combining with the populance balance model and the mccabe ' s l law , a linear crystal growth rate model was presented for potassium nitrate aqueous system . the test variables of both the liquid and solid for kinetic parameter estimations were given on this model , and the experimental apparatus were also set up 基于粒数衡算模型，以kno _ 3 - h _ 2o为模型研究体系，根据结晶过程中溶质质量守恒和mccabe定律，首先建立了晶体线性生长动力学模型，并确定出动力学参数估计所需要表征的固液两相物理参数，进而建立了实验表征方法和测定装置。
