发展速度

The form and content of cultural interflow develop along with the development of culture , with the range of cultural interflow constantly being enlarged and the speed constantly accelerated.

文化交流的形式、内容随着文化的发展而发展，文化交流的范围不断扩大，文化交流的速度愈来愈加快。

The effects of different parameters and cross-sections on axial velocity, the distribution of secondary flow, temperature field, turbulent kinetic energy, wall friction coefficient and wall Nusselt number are analyzed in detail.

详细分析了充分发展的和发展段的湍流管道内，不同截面形状和几何参数对轴向速度分布，截面二次流结构，湍动能，曲线管道摩擦比，温度分布和曲线管道Nusselt系数比等管道流动和传热特性的影响。

Over the past fifty years, young people began to gain status and power lost by the older generation.

科技发展的速度越来越快，年轻人能够跟上时代发展的步伐

The development of wind generating is very fast in recent year, installed capacity grows in the rate of 30% percent year, wind generating has become new power which have the most maturate technology and developing scope and business future.

近来全球风电发展十分迅速，装机容量以年均30%以上的速度增长，风力发电已成为技术最成熟、最具开发规模和商业化发展前景的新能源。

With the rapid development of modern science and technology, high speed, high precision and high efficiency have become the most important trend of current moulding machine.

随着现代科技的高速发展，高速度、高精度、高效率已经成为现代模切机械最重要的发展趋势。

But mobile phone online rate is slow, and online charge is more advanced the two big factors that still make online progress of mobile phone of block up China, plus 3G tardy not mount a horse, the mobile phone gets online should form dimensions to develop to still still need time.

但手机上网速度慢，且上网费用较高等仍成为阻碍中国手机上网发展的两大因素，再加上3G迟迟未上马，手机上网要形成规模发展还尚待时日。

So the requirement of the time control precision is also develop to nanosecond or fly second.

随着微电子技术的发展，设备和仪表的控制精度愈来愈高，执行速度愈来愈快，因此，对时间的精度控制要求也向纳秒、飞秒发展。

The solar cell industry rapidly develops with an annual average growth rate of 30% in order to cope with the energy crisis and the environment pollution·The next task is how to im- prove the conversion efficiency of the solar cell, increase the production scale and decrease the manufacturing cost, which can reduce the cost of electricity generated by solar energy and make it reach the same as that by the normal method·The variety of the solar cell and its manufacturing technique,the bottle neck of the indus...

为了应对能源危机和环境污染，太阳能电池产业以平均年增长率为30%的速度飞速发展。摆在人们面前的课题是如何进一步提高转换效率、扩大生产规模和降低制造成本，使太阳能发电的成本降低到与常规发电相当的水平。介绍了太阳能电池的种类、制造方法、产业瓶颈和发展方向。

With the introduction of the evolution of the microprocessors, the main clue of this course is the technology progress of the microcomputer, such as memory management of 80386 processor, the super-scaler pipelines and the branch prediction logic of Pentium processor, the dispatch and execution of Pentium Pro, PCI bus and etc, so that the students can understand the microcomputer is conquering and exceeding the "bottle neck" point.

结合微处理器的发展历程，以微型计算机的技术发展作为主线。如386的虚拟存储、Pentium的超标量流水线、指令分支预测技术、Pentium Pro的乱序执行、PCI总线等，使学生了解微型计算机在性能和速度方面不断克服瓶颈效应，采用的新技术和方法

Until recently, the convergence of the Rosen"s arithmetic has been proved. The projection gradient method is the generalization of Steepest decent method to constraint problem. So it does have a faster convergence speed that the fastest decent method . To solve the problem, many researchers have generalizat the well-developed optimization with unconstraint to the Rosen"s gradient method. The conjugate gradient method is one of success to solve the problem.

投影梯度法是最速下降法对约束问题的推广，因此没有较快的收敛速度，为了解决这个问题很多中外学者把发展得比较成熟的无约束最优化算法作类似的推广，其中共轭梯度方法是近年发展的很成熟的方法，它具有计算简单，算法结构好，计算量少，具有良好的收敛性等优点，而Rosen投影梯度法的提出使寻找下降方向变得简单。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。