对称的

Based on the mathematical model of STATCOM in asymmetric power system, the effects of the DC storage capacitor on the performances of STATCOM are analyzed in detail in this paper.

以新型同步补偿器STATCOM在系统不对称情况下的数学模型为基础，详细分析了在系统不对称条件下直流侧储能电容器容量对STATCOM性能的影响。

Unbalanced control for Static synchronous compensator based on multiple inverter configuration under asymmetric power system is studied in this paper .

研究了在系统不对称情况下基于多重化结构的静止同步补偿器的分相不对称控制，详细分析了δ-θ分相控制算法及其控制效果，并在此基础上提出了δ控制方法。

Features of a practical asymmetric electrode system were studied.

设计了一种非对称电极，这种非对称电极的阳极是Chang电极或Ernst电极，阴极是由直线和圆弧构成的简单电极。

This article presents some background knowledge, including the symmetric and asymmetric encryption system in cryptography field, the developments of the elliptic curve cryptosystem and PKI.

本文介绍了密码学领域里的对称加密体制和非对称体制、椭圆曲线的发展现状和PKI架构。

Asymmetric autocatalysis occurs when a chiral product operates as an asymmetric catalyst for its own production.

不对称自催化反应是指由不对称反应生成的手性产物自身作为催化剂的反应过程。

Asymmetric autocatalysis intrinsically has the following advantages: chiral amplification of production, high reaction efficiency, easy purification of the product, consecutive reaction, and is a new aspect of chiral synthesis.

不对称自催化具有手性自动放大、反应活性较高、产物处理较易、反应体系连续等特点，是不对称化学的一个新的领域。

The addition of TMSCN and nitromethane to carbonyl compounds is the most direct, efficient, and prevailing strategy.

羰基化合物的不对称腈化反应和不对称Henry反应是制备光学活性氰醇和硝基醇直接而有效的方法之一。

Flowers bisexual or unisexual, rarely polygamous, actinomorphic or zygomorphic, solitary or in axillary or terminal, spicate, paniculate, or racemose inflorescences, 2-bracteolate, sometimes cleistogamous. Sepals 5, equal or unequal, imbricate, persistent.

花两性或单性，很少杂性，辐射对称或左右对称，单生或为腋生或顶生的穗状花序、圆锥花序或总状花序，有两个小苞片，萼片5，相等或者不相等，覆瓦状的，宿存。

Multiwavelets have several advantages in comparison to scalar wavelets such as compact support, orthogonality, and symmetry are known to be important in signal processing.

目前已有的GHM二重对称小波，生成它的正交矩阵滤波器并不对称，而在图象编码中，用作分解和重构的正交矩阵滤波器具有对称性才能很好地解决边界问题。

Besides, in the new spectral dynamical framework the calculation amount firstly is decreased to half by properly using the complex conjugate relation of spectral coefficients and the symmetric and anti-symmetric character of spherical function.

另外，新方案中的纬向谱系数计算式，合理利用谱系数的复共轭性质及球函数关于赤道对称或反对称特性，使计算量减半。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失