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Therefore, an Abstract Implementor class is not needed.

因此，摘要实现化类是没有必要的。

Instead of embedding cross-cutting code in classes, AOP allows you to abstract the cross-cutting code into a separate module and then apply the code dynamically where it is needed.

AOP让你将横切代码抽象进入另外的模块，来替代将横切代码嵌入类，然后动态地在需要它的地方应用这些代码。

In order to stimulate the growth and flourishing of Chinese traditional operas, this essay first of all proposes a theoretical hypothesis: it is needed that the Chinese operas should be both acceptable and abstract and have a stable group of audience.

中国传统戏剧艺术的传承--推陈出新，与时共进

The direct incorporation of U-13C glucose was estimated by the intensity increase of m/z to F(F was parent fragment, and n was the carbon number in the fragment), while the total isotope incorporation from the added 13C could be calculated according to the abundance ratio increment summation from m/z (Fa+1) through (Fa was the fragment containing all original skeleton carbons, and T was the carbon number in the amino acid molecule). The 13C enrichment in the target compound was expressed as atom percentage excess, and that of D-amino acid needed to be corrected by the coefficient of hydrolysis-induced racemization. The 13C enrichment reflected the carbon turnover velocity of individual amino acid enantiomers, and was powerful to investigate the dynamics of soil amino acids.

外加葡萄糖直接合成氨基酸的比例可利用质谱碎片的相对强度变化来评价（n为质谱碎片F中含有的碳原子数目）；而源于葡萄糖的13C同位素在氨基酸分子中的富集程度是所有同位素峰相对强度变化的总和。13C在目标化合物中的富集比例用原子百分超评价，D氨－基酸的APE还需进一步利用水解诱导的外消旋化系数校正。13C在目标化合物中的富集程度可反映各氨基酸手性异构体的碳循环速率大小，是研究土壤氨基酸动态变化的有力工具。

During this period, Xu also wrote that academic freedom is needed for science and culture to flourish.

在这一时期，许还写了关于科学与文化的繁荣需要学术自由的文章。

To get this functionality, all I needed to do was generate an accelerator table

要获得此功能，所有我需要做的是产生一个加速表

So judicial guarantee is needed to safeguard the negotiation and acceptance of the letter of credit with and view of showing respect to the independence of the letter of credit.

因此，要尊重信用证的独立性原则，只有在欺诈而且信用证没有承兑或议付时才能采取保全措施。同时，也要注意保护善意第三人的利益。

Centuries later, Edinburgh had developed into a town based on the castle. After the unification of England and Scotland, capitalism became the main character of the economy of Edinburgh. At that time, the old town of Edinburgh had arrived at a kind of saturation in the pre-industrialization of middle age: productivity and acceptance level had reached the limit in terms of city plane, space dimensions and city functions. When the Industrial Revolution came, the population increased in times and a great deal of factories and residence were needed to be built up.

从第一次工业革命结束以来，这一郊区化过程可以划分为两个阶段：从1767年第一座新城动工至1850年第五座新城竣工为第一阶段，这一时期郊区化扩展规模大、速度快，建筑内容丰富等特点，故称其为爱丁堡城市郊区化的规模扩展阶段；第二阶段从19世纪50年代第六座新城和第七座新城相继建造至1890年七座新城内主要建筑的建设全部完毕，在这一阶段里，郊区化的城市面积扩展规模较小，重点在于完善城市内部的功能，因此这一阶段可称为郊区化的完善城市功能阶段。

It was simple. He launched a company and needed a secretary. I was the employment accepter.

很简单，他开了一家公司，需要一个秘书，我去应聘，就认识了。

What is increasingly needed, however, are software tools that can give domain experts access to this capability without requiring them to learn specialized design tools.

什么是越来越需要，然而，软件工具，可以让领域专家获得这种能力，而不需要他们学习专门的设计工具。

That snake Alaric named Archbishop...

庇护。。。那个毒如蛇蝎的Alaric被命名为大教主。。。

You have done lots of magical things to be amazed at.

你做了很多神奇的事物感到惊讶。