两对称

The full space calculation model, which suits for the asymmetric structure sometimes even including air below the surface of medium, can enable simulative result to approach real one. The FDTD algorithm based on the mixed ABCs is proper to calculate the transmission line where the electromagnetic wave is transmitted in order to send electromagnetic energy along central conductor. The calculation efficiency will be raised if the PML absorbing boundary condition is set on both planes of transmitting direction and so is the MUR two-order absorbing boundary condition in the other planes.

全空间计算模型是适合所有的不对称结构的待研究体的，而且包括了介质下面的空气部分，使仿真更加的接近实验真实情况；基于MUR-PML混合吸收边界条件的时域有限差分法非常适合计算传输线这种结构，因为传输线是传送电磁波的，电磁能量主要是沿着中心导带行进，因此在两个传输端面上设置PML完全匹配层吸收边界条件，在其他面上设置MUR二阶吸收边界条件，会大大提高计算效率，而且计算结果与XFDTD仿真软件计算结果相比较，基本趋于一致。

A fundamental objective of governance research in accounting is to provide evidence on the extent to which information provided by financial accounting systems mitigate agency problems and information asymmetry due to the separation of managers and outside investors .

会计治理研究中的一个基本目标就是为财务会计提供的信息在多大程度上减缓由所有权和经营权两权分离所带来的代理问题以及减少信息不对称问题提供证据。

In the core of the larger spiral structure of NGC 1300, the nucleus shows its own extraordinary and distinct "grand-design" spiral structure that is about 3,300 light-years long. Only galaxies with large-scale bars appear to have these grand-design inner disks — a spiral within a spiral. Models suggest that the gas in a bar can be funneled inwards, and then spiral into the center through the grand-design disk, where it can potentially fuel a central black holes. NGC 1300 is not known to have an active nucleus, however, indicating either that there is no black hole, or that it is not accreting matter.

星系演化除了像两个星系相撞那样的剧烈作用之外，还有自己内部很慢的演化，因为一个星系总会有一些引力不稳定，如上图中的NGC1300，它是一个棒旋星系，这种bar结构导致的引力不完全对称会驱使很多气体和尘埃损失角动量往里面落，我们可以清楚的看到dust lanes，有点像黑洞的吸积，但这个星系是个非活动星系，目前还没有黑洞存在的明确证据，but我相信肯定是有的，没有比在星系中心放一个黑洞再完美不过的事情了，或许这些下落的dust lanes是黑洞发光的开始呢。

The legs marked by the symmetrical curves of the robe, are straight, and the feet large, as in Pls. 46-48, but by no means clumsy or ill-proportioned.

两腿上，裳的褶子左右对称，和彩色图版第46～48图的诸像一样，尽管腿线笔直两脚巨大，但完全察觉不出粗笨或者比例不当。

For the starry flounder this interpretation implies that a geometric difference (between fish that are mirror images of one another) is adaptive, that left-eyedness in the Japanese starry flounder has been selected for, which provokes a perplexing question: what is the selective advantage in having both eyes on one side rather than on the other?

对于星形比目鱼来说，这种说法暗示形状上的差异（同左右两侧对称的鱼相比）是适应性的，日本的星形比目鱼之所以眼在左侧，是选择的结果，但这又引起了一个令人困惑的问题：两只眼睛都在一侧比两只眼睛分在两侧具有什么选择性的优势呢？

For the starry flounder this interpretation implies that a geometric difference (between fish that are mirror images of one another) is adaptive, that left-eyedness in the Japanese starry flounder has been selected for, which provokes a perplexing question: what is the selective advantage in having both eyes on one side rather than on the other?

对于星形比目鱼来说，這种说法暗示形状上的差异（同左右两侧对称的鱼相比）是适应性的，日本的星形比目鱼之所以眼在左侧，是选择的结果，但這又引起了一个令人困惑的问题：两只眼睛都在一侧比两只眼睛分在两侧具有什么选择性的优势呢？

The transport of Brownian particles in two-state flashing ratchets composed of two asymmetric potentials with the same period is investigated.

研究了由两个相同周期不对称势垒构成的两态闪烁棘齿模型中布朗粒子的定向输运。

In Chapter 3, we discuss the self-adjoint boundary-value problems for products of m differential operators generated by the same symmetric differential expression of order n defined on a, b

第三章 讨论了m个由同一n阶对称微分算式生成的赋予某种边界条件的微分算子乘积自伴边值问题，结合常微分算子自伴扩张的一般构造理论，分别给出了两个四阶微分算子、两个n阶微分算子、m个n阶微分算子乘积自伴边条件的解析刻划，得到了乘积微分算子是自伴的充分必要条件及与乘积算子自伴性有关的一些有益结果。

As Huber did, we prove the MacWilliams identity for Mannheim and Hexagonal distances, and conclude that the weight functions with the same symmetry group have the same U-weight enumerators.

和Huber一样，我们证明了两种距离之下的MacWilliams恒等式，由此说明有限域上对称群相同的两个重量函数的U-加权计数子的表达形式完全相同。

This article attempts to have a dip into some features concerning the translation of English proverb s into Chinese equivalences by means of symmetry.

本文尝试用对称方法来探讨英语谚语汉化时，英汉两种语言在语汇、表意方面既保持各自的语言的民族特性，又充分展现出两个民族闪烁于谚语中的睿智睿哲的完全对称性和不完全对称性。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。