For the numerical solutions of the neutron transport equation based on unstructured- meshes,four types of new methods were developed including the spherical harmonics(P_n)finite element method,the discrete ordinates(S_n)finite element method,the triangle transmission probability method,and the triangle nodal method.
针对非结构网格下中子输运方程的求解方法问题,分别研究了球谐函数(P_n)有限元方法、离散纵标(S_n)有限元方法、三角形穿透概率方法和三角形节块S_n方法的计算模型。
A 3\|D multigroup P\-3 approximation Monte Carlo code MCMG\|BURN is developed by coupling the neutron transport and burnup.
介绍三维多群中子输运 燃耗耦合P3近似蒙特卡罗程序MCMG BURN 。
The phase-space finite element method is applied to the multigroup neutron transport equation in cylindrical critical systems.
本文采用相空间有限元方法求解了柱形临界多群中子输运问题。
States the technique experience that the influnce of dynamical pressure on secondary supporting of gob entry is avoided in a haulage center gate when double unit faces are adopted in soft rock mines.
介绍了软岩矿井采用对拉工作面集中生产条件下，运输中巷采用“避开动压二次支护法”沿空护巷的技术经验。
"It Began to lose money in the mid 20th century, and in 1968 it merged with its competitor, the New York Central, to form the Penn Central Transportation Co."
20世纪中期开始亏损,1968年被其对手纽约中央铁路公司并购,成立宾州中央运输公司。
Transport, Security and Central Services Division [Electrical and Mechanical Services Department]
运输、保安及中央工程部〔机电工程署〕
Transport Studies and Central Data Section [Planning Department]
运输研究及中央资料组〔规划署〕
Transport, Security and Central Services Manager [Electrical and Mechanical Services Trading Fund]
运输、保安及中央工程经理〔机电工程营运基金〕
central input/output control
中央输入输出控制器
When iron fertilizer was intensively injected into the trunk, the Fe2＋ transported along the central xylem, most of Fe2＋ transported into roots.
强力高压注射时铁主要沿中央木质部运输，首先充分向下运往根系，向上运输较向下运输少。
Centralsug Refuse Collection System
中央气动垃圾输送系统
Design and Implementation of Principle Prototype Software for Central Control System of Tuberail
管轨运输中央控制系统原理样机软件的设计与实现
central input/output multiplexer
中央输入输出多路转换器
For example, CPG's specific authorisation is required for the negotiation and conclusion of Air Services Agreements with foreign states (BL 133);
例如，香港特区与外国谈判签订民用航空运输协定，须经中央人民政府授权(第一百三十三条)；
For example, specific CPG authorisation will be required for the negotiation and conclusion of Air Services Agreements with foreign states (BL 133); and
例如，香港特区与外国谈判签署民用航空运输协定，须经中央人民政府授权(第一百三十三条)；
For example, specific CPG authorisation will be required for the negotiation and conclusion of Air Services Agreements with foreign states (BL 133);
譬如说，香港特区与外国谈判签署民用航空运输协定，须经中央人民政府授权(第一百三十三条)；
There was no market awaiting the coming of the train-or any product to haul back east-except the Mormon city, which was a long way away until the lines met.
对中央太平洋公司来说，那意味着需要穿越巴拿马或是绕着南美洲运输材料。
They contain hardware components for input, central processing unit and output.
电脑包括硬件用于输入，中央处理器和输出。
The school buildings formed a hollow square, with a playground in the middle.
校舍呈中空四方形，中央为运动
Harvested cane is loaded into large bins in the field, which are generally carried on motor trucks or tractor-drawn trailers to rail sidings or road transport pads.
收割的甘蔗被放置于蔗田中央的巨大箱柜中，然后由卡车或大型拖车运至铁路沿线或公路运输站。
The Design of Monitoring Equipment Input System on Oil Field Central Lubrication Station
油田大型中央润滑站监控设备输入系统设计
Central Container Handling Safety Committee
中央货箱搬运安全委员会
