Only positive Helmholtz equation is considered in beam propagation method, while the negative component is approximately zero.
在光束传输法中只分析前向亥姆霍兹方程，而后向分量近似为零。
The method employed high-frequency voltage-signal injection to make motor form a high-frequency current-vector, of which the negative component current contained rotor space-position information.
该方法采用高频电压载波注入方式形成高频电流矢量，其负序分量包含了转子空间位置信息。
What are the profit margins of the various companies, and what are the risk factors that would have a negative impact on this critical component?
各种不同公司的边际利润各是多少？对这些重要的评价部分具有消极影响的风险因素是什么？
Negative expander is an important component of lead - acid batteries.
负极膨胀剂是铅酸蓄电池的重要组成部分。
Negative expander is an important component of lead-acid batteries.
负极膨胀剂是铅酸蓄电池的重要组成部分。
Negative correlation existed to some extent among the three yield component factors.
产量构成各因素间存在一定程度的负相关。
The scheme includes the transverse differential protection, the directional relay action on negative sequence power of fault component and the incomplete differential protection.
该方案包括了横差保护、故障分量负序功率方向保护和不完全纵差保护的综合应用。
Arc furnace is a typical unbalanced impact load. It pours a great deal of negative sequence component to power system, so measures shou ld be taken to compensate the arc furnace load.
电弧炉是一种严重的不对称冲击负载，它将产生大量的负序分量而污染电网，所以需要对其进行平衡化补偿。
Some negative effects may be caused during post welding heat treatment of certain component and steel for stress-relief.
特别指出对某些钢材或构件进行热处理，在消除应力的同时，也可能带来一些负面的作用。
The film component phase is dependent primarily on the negative bias of substrate.
膜的相组成主要是基板负偏压所决定的。
Based on the symmetry component theory, a method of the motor protection is presented by measuring positive, negative and zero sequence current component.
基于对称分量法理论，提出了基于检测正序、负序、零序电流分量的电动机保护方法。
This paper mainly deals with the relationship between negative bias of substrate and component phases of magnetron-sputtering ion plated aluminium film of A3 steel.
本文主要论述基板负偏压与A 3钢基体磁控溅射离子镀铝膜相组成的关系。
This paper describes the component and characteristics of silver-zinc batteries, advances in technologies of positive and negative poles and membrane, and theoretic studies.
本文概述了锌银蓄电池的组成、能，以及锌银蓄电池正极、极、膜技术上的进步，理论上的研究。
The characteristics of agroforestry systems microclimate are: (1) Component values of heat balance are positive in day time but negative at night.
农林系统的小气候特征是：(1)热量平衡的各分量白天为正值，夜间为负值。
Yellow filtering layer is an important component of color negative film for ensuring a real color reproduction and improving the image sharpness.
黄滤色层是确保彩色底片彩色还原真实和提高影像清晰度的一项重要组分。
They added a component called "triphenyl phosphate" to the plastic fibers of the part that keeps negative and positive electrodes separate.
他们在塑料纤维中添加了一种称为“磷酸三苯酯”的组件以保持正负电极分离。
Negative values in the date component represent dates prior to the base date.
日期部分是负值表示在基准日期之前的日期。
The results show that the spatial distribution pattern of stephanitis(S. )sevensoni obeys the common negative binomial distribution, the basic component of spatial distribution pattern is colony.
研究表明其分布型属负二项分布，分布的基本成份是个体群。
A negative resistance is not a component of the real circuit, but it can be realized by using other circuit components.
负电阻不是实际存在的电路器件，但它可以通过其它的电路元件来实现。
The concept of a new- style and high- precision fault component, synthetic negative sequence vector SNSV is proposed in the paper.
文中提出一种新型的、高精度的故障分量——综合负序矢量的概念 ，并给出综合三相负序分量的实时算法。
The second component is about the theory comments and analysis of obligation source of negative crime.
第二部分主要是不作为犯罪的作为义务来源之理论与评析。
So the security issues of RTP is an important component of IMS security. RTP-related vulnerabilities will take an negative impact on the IMS network.
因此，RTP的安全是IMS网络安全的重要组成部分，RTP的脆弱性会对IMS网络带来安全隐患，研究rtp安全对IMS安全具有重要意义。
The authors present a new method to remedy the negative effect arising from slant vehicle license plates character segmentation and recognition based on principal component analysis (PCA).
为解决机动车牌图像倾斜将对其字符分割与识别带来不利的影响，提出一种基于主元分析(PCA)的车牌图像倾斜校正新方法。
Results from this study indicate that femur length may be the key component in height contributing to the negative association between height and the prevalence of type 2 diabetes.
该研究结果提示股骨长度可能是预测2型糖尿病的主要因素，因为高度与2型糖尿病的预防之间的关系是负相关的。
Toll-like receptor 4 is the receptor for a bacterial component called lipopolysaccharide which is a component of gram-negative bacteria.
Toll - like受体4是一种叫做脂多糖的细菌成分，是革兰氏阴性细菌一个组成成分。
Lipopolysaccharides are a major component of the cell walls of Gram-negative bacteria.
脂多糖是革兰氏阴性菌细胞壁的重要组成成分。
As same as the conclusion of literature, the protein component in EPS could improve the negative surface charge of sludge flocs.
EPS总量高的污泥脱水性能差，EPS中蛋白质含量高的污泥其表面电荷也较高。
As same as the conclusion of literature, the protein component in EPS could improve the negative surface charge of sludge flocs.
EPS总量高的污泥脱水性能差，EPS中蛋白质含量高的污泥其表面电荷也较高。
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