Starting from Collins integral, the focusing characteristics of Gaussian beams passing through a bifocal lens are studied.

Propagation properties of partially polarized, partially coherent vectorial cosh-Gaussian beams through bifocal lens

部分相干部分偏振矢量双曲余弦-高斯光束通过双焦透镜的传输特性

He brought us bifocals and the lightning rod,

他发明了双光眼镜和避雷针，

Calculation of minimum central thickness of fused-bifocals

论熔合双光镜最小中心厚度的计算方法

The oceanfront terrace, eight meters by four, has a glass balustrade and bifold doors.

面朝大海的露台长八米，宽四米，带有一圈玻璃栏杆和一道双开门。

European Bifold Patio Doors have special open way. It can make internal as external and it is ideal doors for wide opened wall.

欧式折叠门具有独特的开启方式，能在瞬间将室内变成室外（启）是理想的大型通风采光门窗。

When the tube is biforked, the additional turbulent flow will be produced, which will improve the flame transmission speed in gas explosion.

管道分叉时，产生附加湍流，使瓦斯爆炸过程中火焰的传播速度迅速提高。

Help you realize perfect show hair to long for, to biforked hair end says good-bye.

帮助你实现完美秀发渴求，对分叉的发尾说再见。

With the development of Computer Aided Quality Control System, significance test, as a necessary tool of quality management and quality control, is faced with the problem of program.

随着计算机辅助质量控制系统的发展，显著性检验作为质量管理和质量控制中的必备工具，也面临着程序化的问题。

There is no problem if the program uses some other stream.

如果程序使用的是某些其他流，那么也不会有任何问题。

In traditional OOP programming, as the requirement space is N-dimensional while the implementation space is one-dimensional, this terrible mapping leads to the crosscutting concern code's tangling problem in program development, which seriously affects the quality of software.

在传统的OOP编程中，由于需求空间是N维而实现空间是一维的，导致了软件开发中横切关注点的代码纠缠问题，严重影响了软件的质量。

Termination preserving problem in program transformation

程序转换中的终止性保持问题

The students cannot achieve mastery through a comprehensive study, cannot use the knowledge neatly, and cannot use to program design to solve practical problems and so on, which has become a problem of program design teaching.

学生不会灵活运用所学知识，不能用程序设计解决现实问题等等，已经成了程序设计课程教学的难题。

Command Processor is a problem program executed to perform an operation specified by a command.

命令处理器是一种用来完成一项由命令规定操作的问题程序。

Then combined with calculated heat transfer coefficient and partition technique on the cooling surface, direct problem program was used to obtain the transient characteristic of the whole plate.

进而，利用正问题程序结合反演的对流换热系数以及钢板表面的分区技术，获得钢板内部所有位置的温度瞬变特性。

In web architecture, database security is the key problem of application program security.

在WWW的三层结构中，数据库安全是应用程序总体安全的关键。

Time scheduling problem on program editing equipment management system

设备控制管理系统的规划与调度

In single chip real-time control system, the problem of program out of control is often encountered.

单片机实时控制系统中，程序失控是经常遇到的问题。

This arrangement allows the office to transition any new DARPA-developed technologies directly to an acquisition, training and sustaining program.

这项备忘录允许办公室将美国国防高级研究计划局任何新技术直接转化为采购、训练和维护计划中。

Especially with the pressure from living environment was ever-increasing, ecology consequence was indicated that the forest will be one of primary material source in the industrial society. The vital function is a new understanding to forest and sustaining and program development of humanity.

特别是随着人类对来自生存环境压力的与日俱增，森林作为工业社会的主要材料来源之一的生态学后果的凸现，人类对森林与林业和人类生存与发展的重要作用产生了新的认识；

After the web service returns the results, they are displayed in the UI and the Yahoo Map program is called to update the map.

在Web服务返回结果后，这些结果会被显示在UI内，而且还会调用YahooMap程序来更新地图。