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But in the modern world, both these advantages seem to be diminishing.

但在现代世界，上述两大优势似乎都在缩小。

Populus has several advantages as a model system. But because of the shortcomes that the chromosome of Populus are small, dioecism, without perianth, trunk of the tree is tall, the period of infancy is 6～7 years.

杨属植物作为林业研究的模式植物，具有优良的实验特性，但是由于杨属植物的染色体小、雌雄异株、无花被、植株高大、幼年期长达6～7年等缺点，给实验研究带来许多不便。

The advantages and shortcomings of the synthetic routes and the catalysts are also commented. It is suggested that the development of heterogeneous catalysts should be the focus in the process for production of diphenyl carbonate.

并进一步对各工艺过程及所用催化剂的优缺点进行了评论，认为多相催化剂的开发是今后碳酸二苯酯合成研究的重点方向。

We have a lot to do on to how develop advantages of diplomatism resource and coordinate enterprise "go out",especially on hao to sustain personal and small enterprises to participate national competition.

在如何更好地发挥外交资源优势，配合企业"走出去"，尤其是在支持民营和中小企业到海外参与国际竞争方面，我们还有很多潜力可挖。

The main advantages of using the Dirac equation in a description of electrons are the following:(1) The Dirac equation is compatible with the theory of relativity (2) it describes the spin of the electron and its magnetic moment in a completely natural way.

在电子的描述中用Dirac方程描述主要优势有：（1）Diarc方程同相对论理论是一致的；（2）它很自然地描写了电子自旋和自旋磁矩。

This paper proposes a hybrid scheme, which combines the advantages of spectrum LU decomposition and direct solution.

文中采用谱分解方法建立起矩阵列元素的谱分解表，并采用直解法的递推公式，可以快速给出矩阵的分解。

Sincerely look forward to working with you, we have good cooperation between the advantages: a direct manufacturer of the product, the delivery time for you to provide the most direct guarantee.

真诚地期待与您合作，我们之间的合作具有良好的优势：1 直接的生产厂家的产品，为您的交货期提供最直接的保证。

Several common description methods for rotational kinematics are discussed in control point, such as direction cosine matrix, Euler angles, quaternions and Rodrigues/Modified-Rodrigues parameters. Transformation relationships, advantages and disadvantages among those methods are discussed.

从控制角度综评方向余弦、欧拉角、四元数和Rodrigues/修正Rodrigues参数几种常用姿态描述动态方程，指出各种方法的优缺点，及相互转化。

AC-DC-AC dirve technique. due to the obvious advantages of its application in locomotives andmotor coach,has been widely used in the railways all over the world since 1970s. This has become a tendency.

交－直－交传动技术应用于机车动车具有明显的优点，70年代以来被世界各国铁路广泛采用，已形成一种趋势。

SRD has the both advantages that asynchronism motor frequency conversion dirve and direct current motor dirve have.Using TMS320LF2407 DSP for motor control, made in TI CO.

本文以TI公司的TMS320LF2407型号电机控制专用DSP芯片为主控制核心，研究设计了一套3KW开关磁阻电动机调速系统，并进行理论和实验分析。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。