逆

Entailment is the converse of the relation of logical consequence.

导出是逻辑推论关系的逆叙.

According to Bessel function and Fourier series theory, generation, magnitude and distribution of voltage harmonic generated by single-phase two-level SPWM inverter and three-phase SPWM inverter are analyzed and calculated particularity and concretely in allusion to inverter-motor system.

然后针对逆变器-电动机系统，利用贝塞尔函数和傅里叶级数理论，分别对单相二阶SPWM逆变器和三相SPWM逆变器的输出电压谐波的产生、大小和分布进行了细致而具体的分析和计算。

The thrust nappe is assembled by root zone, major thrust zone and thrust front.

逆冲推覆体由根带、主逆冲带和逆冲传播前缘带三部分组成。

Power electronic inverter technology is the key in energy feedback.

电力电子的逆变技术是能量回馈系统的核心部分，本文讲述了电压型逆变电路和电流型逆变电路在能量回馈系统中的工作实现原理。

By antidromic stimulation of neurohypophysis and extracellular recording of the antidromically induced action potentials ( APs) in PVN, the threshold, latency and following frequency of antidromic APs of young, adult and old rats were observed.

应用神经垂体逆向刺激，于下丘脑室旁核内用微电极细胞外记录逆向动作电位的方法，观察青、中、老三组大鼠逆向动作电位的阈值、潜伏期及跟随率的变化。

And development of single color-changing irreversible temperature indicating paint, multi color-changing irreversible temperature indicating paint, single color-changing irreversible temperature indicating patch at home and abroad are narrated as viewed from general situation, application scope, use and development prospect, etc.

并分别从概况、应用范围、使用方法以及发展前景等几个方面讲述了国内外单变色不可逆示温涂料、多变色不可逆示温涂料和单变色不可逆示温贴片的发展情况。

Can the cardiovascular responses to alpha 2 agonists be reversed or treated?

2受体激动剂的心血管反应能否被逆转或治疗?如果能,如何逆转或治疗?

The converse effect is the cooling of a gas when it expands.

气体在膨胀时冷却是一种逆效应.

Woe betide anyone who got in his way.

逆他者亡。

Heat transfer, mass transfer and chemical reactions in pyrometallurgy and hydrometallurgy are typical cases of irreversible processes. It is significant in theory and practice to introduce thought and method of thermodynamics of irreversible processes to metallurgical systems.

例如，火法冶金和湿法冶金的传热、传质和化学反应都是不可逆过程。应用不可逆过程热力学理论研究冶金体系发生的不可逆过程，具有重要的理论和实际意义。

This paper study a two-phase inverter-fed induction-motor drive, which can be widely used for low-power.

本文研究了一种两相逆变器-异步电动机系统，该系统可广泛应用于小功率、变速运行的场合。本项研究完成了两相逆变器的设计，并组成了实验用的两相逆变器-异步电动机系统。

This design scheme adopts high frequency transformer inverter power system structure with DC-link in middle. It consists of high frequency inverter, isolation and booster voltage transformer, rectifier with filter, high frequency SPWM inverter and output filter.

该方案采用中间直流环节的高频变压器式逆变电源系统结构，它由高频逆变、高频变压器隔离升压、整流滤波、高频SPWM逆变和输出滤波组成。

Sudden rupture and displacement occurs with normal, reverse, strike-slip, or oblique-slip faulting.

突然破裂和位移伴随正 、 逆 、 走向滑动或斜向滑动断层作用而发生.

Anti-retroviral drugs can extend life for many years.

抗逆 转录病毒药物能够使生命延长多年.

They were going to sail around the little island, against the tide.

他们打算绕着小岛逆潮航行。

In this paper, based on analysis the characteristic of direct-drive WPGS and other devices, the main circuit structure, which composed of three-phase full bridge rectifier, sepic chopper and single-phase full-bridge inverter, is presented.

本文在详细分析直驱风力发电系统特点和已有逆变装置的基础上，确立了三相不可控整流桥+SEPIC变换电路+单相全桥逆变电路的逆变装置主电路结构。

When current-controlled delta modulated control scheme is applied to UPS inverter, the output voltage amplitude is unstable in case of load variation and the output voltage waveform is heavily distorted by nonlinear load. To overcome the.

当电流控制的delta调制控制策略应用于UPS逆变器控制时，存在负载变动引起逆变器输出电压幅值不稳定、负载为非线性时逆变器输出电压波形畸变严重等问题。

Hiccups can be very annoying in the postoperative period.

呃逆在术后期间很令人烦恼.

The ship was slowed down by counter tides.

船因逆潮而慢下来.

Oxidative stress is the common mechanism by which abiotic stresses affect plant growth and development.

氧化逆境是干旱、盐渍、低温等非生物逆境危害植物的共同机制.

The matrix is defined as the reciprocal of A.

该矩阵定义为A之逆矩阵.

The hologram can be flipped to show the inverse image.

全息图可以通过反转显现出逆像。

While other newspapers are losing circulation, we are bucking the trend.

当其他报纸的发行量越来越少时，我们却逆势而进。

Our last trip involved a coastal passage, tacking east against wind and current.

我们上次旅行时曾经沿着海岸，逆着风浪向东曲折航行。

All but plug and backmix require rather sophisticated mathematical analysis.

除了活塞流与逆混流之外,其它都需要比较深的数学分析.

The temperature inversion frequency gets highest in winter. The results indicate that the topped temperature inversion restrains the development of convective boundary layer.

冬季的逆温频率最高。计算结果表明：逆温梯度越大，对流边界层的发展越受到抑制；逆温层高度降低会影响整个对流边界层的温度抬升；

By plentiful experiments and tests, we have validated the mathematical model of the thyristor inverter power source, and got the new design methods of inverter circuit parameters, which provides the theoretic foundation for the manufacture of inverter power sources.

通过研制过程中的大量实验和测试，验证了快速晶闸管逆变电源数学模型的正确性，得出了逆变电路参数设计的新方法，为逆变电源的研制提供了理论依据。

He suddenly had an attack of the hiccups.

他忽然打了一阵呃逆.

The capacity of the serial inverter, the parallel inverter and the source is different with the two main circuits in different conditions. A New Protecting Method against Conduction Through Occurred in Thyristor Series Inverter

论文推导了不同情况下串联逆变器、并联逆变器和电源的容量的表达式，并给出了主电路结构的选取原则，为实际应用提供理论依据。晶闸管型串联逆变器直通保护新方案

Every vector can be resolved into covariant or into contravariant components.

每个矢量都可以分解成协变分量或逆变分量.