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In view of the evolution of capital structure theories, the hypothesis of irrelevance of Capital Structure by MM based on the assumption of efficient market is the foundation of modern capital structure theory. The later developments, revisions, refutations or innovations are the result of relaxation of MM assumptions which lead to theoretical explanations closer to the real world.

从资本结构理论发展逻辑来看，M-M提出的、建立在完全市场假设条件上的资本结构无关性命题是现代资本结构理论的基石，其后的理论发展或是对M-M理论的修正和维护，或是对M-M理论的反驳和创新，都是从放松M-M理论假设条件开始，使理论解释不断接近现实的结果。

With increasing undercooling, the solidification microstructures of the alloys have changed, for example, grain refinement, transformation from regular rod eutectic structure to spherical anomalous eutectic grain structure with particulate morphology; while at higher undercooling, fine regular eutectic structure was observed.

随着过冷度的增加，其凝固组织发生了一系列的变化：晶粒逐渐细化，凝固组织从规则棒状共晶向异常粒状共晶组织转化，最后得到显微结构细小的胞状共晶团组织。

Compared to reticulated structure, it has more stability bearing capacity. So the sheet-space structure is a structure system which has good future.

其稳定承载力比相同条件下的网壳结构有很大的提高，是一种很有发展潜力的空间结构形式。

The anode structure of CI-LIGBT is optimized by numerical simulation, and it is pointed out that segmented p〓 anode region surrounded by n〓 anode region is the key to improve the ability of current limiting, and the more deeper the n〓 anode junction relative to the p〓 anode junction, the more powerful the ability of current limiting is. The affection of the breakdown voltage BV〓 of the reverse biased p〓n〓 junction and the sample resistance upon the latching current, the latching voltage and the on-state voltage have been studied, and it is indicated that the tradeoff between the on-state voltage and the latching characteristics is the excellentest when BV〓 is 1. 1V so that its on-state voltage can be just only 0.6V higher than conventional LIGBT. It is also found that this device is especially suit to high temperature environment. Based on X. B. Chen's surface voltage sustaining structure using optimized variational lateral doping and Ludikhuize's multiple floating rings structure, high voltage LIGBT and is studied in this paper.

通过数值模拟，优化了CI-LIGBT的阳极区结构，指出采用被n〓阳极区包围的单元状p〓阳极区是提高该器件限流能力的关键，而n〓阳极区结深相对p〓阳极区结深越大，器件的限流能力越强；分析了反偏p〓n〓结击穿电压BV〓和取样电阻对器件闩锁电压、闩锁电流和导通压降的影响，得出BV〓在1.1V时器件导通压降和抗闩锁能力间的折衷关系最优，其导通压降仅比普通LIGBT高0.6V；分析了温度对LIGBT闩锁性能的影响，表明CI-LIGBT即使在450K的高温下也不会闩锁，尤其适用于高温工作环境。

The structure of property right is an essential factor that affects industrial structure; one structure interworks the other in their evolution processes.

产权结构是影响产业结构的重要因素之一，产业结构在优化过程中与产权结构的优化互相作用。

The steel structure of the main body forms the whole giant spatial saddle-shaped steel truss knitting type "the bird nest", the steel structure totally uses the steel quantity is 42,000 tons ,the concretes stand divides into upper, middle and lower three, the stand concrete structure is underground 1 ,on the ground 7 floor of reinforced concrete frame - shear wall structural system.

主体钢结构形成整体的巨型空间马鞍形钢桁架编织式"鸟巢"结构，钢结构总用钢量为4.2万吨，混凝土看台分为上、中、下三层，看台混凝土结构为地下1层，地上7层的钢筋混凝土框架-剪力墙结构体系。

In order to realize real-time control, the paper studied two kinds of closed-loop control structures such as based on scalar quantity and double closed-loop control structure, moreover established their control structure, then simulation to the double closed-loop control structure of voltage source type matrix converter. The simulation results indicate that reach the real-time control requests, the system dynamic response performance is good, the converter input output can be adjusted in the short time.

为实现电压源型阵变换器的实时控制要求，论文对基于标量控制和双闭环的两种电压源型矩阵变换器闭环控制结构进行了研究，分别建立了这两种闭环控制的控制结构，并且对电压源型矩阵变换器的双闭环控制结构进行仿真，仿真结果表明达到了实时控制的要求，系统的动态响应性能好，变换器的输入输出能在较短的时间内达到调节。

3Ensemble character of structural planes as follows: In left dam abutment, meta basalt schistosity is main, and the structure is clockwise. Low dip angle jointing didnt develop in rock mass; In right dam abutment, rupture and jointing structural plane is main, and the structure is reversed. The structure was of obvious macroscopical slaty character. Constructional soft rock mass belt with some thickness developed.

3通过对上述结构面的分析，得出其总体特征为：左坝肩以变玄武岩片理为主体，呈顺向结构，岩体内缓倾角节理极不发育；右坝肩主要为断裂及节理型结构面，呈反向结构，且具有明显的宏观板状结构特征，并发育有一定厚度的构造软岩带。

Emphasize from industrial structure, of the first industry farming, forest, herd, the product structure of secondary industry, production structure, scale of production, the social service of tertiary industy, social security main factor that affects each industry undertakes an analysis.

着重从产业结构，第一产业的农、林、牧，第二产业的产品结构、生产结构、生产规模，第三产业的社会服务、社会保障等影响各产业的主要因素进行分析。

The comparative study and analysis of civilization structure is the key angle to understand the different fate of China and Japan in modernization, but when we look the difference between China and Japan in civilization structure, we should pay attention to the "selfness" of Japan s social structure, rather than to only pay attention to its " westernized character".

人们普遍认为，在东亚文明的大背景之下，中日两国社会结构的差异是两国现代化不同命运的"最深的秘密"和"隐蔽的基础"。因此，关于文明结构的比较分析，便成为中日现代化比较研究极为重要的理论问题。

More direct, directer ; most direct, directest

径直的，笔直的

Do you know how to use a chain saw?

你知道如何使用链锯吗？