原理

Many composition of magic have applied the laws of physics, levers, inclined plane mechanics and so on.

许多魔术的构成，都运用了物理原理，杠杆，斜面等力学原理。

Beginning with indagation and choosing of parts, we have achieved its theory project, schematics, PCB drawings, hardware debugging and replantation of Real Time Operating System .

本文从元器件调研、选型开始完成了386EX航天计算机的原理设计，原理图、PCB绘制，硬件调试，并实现了VxWorks实时多任务操作系统的移植。

The background of induction heating furnace and the principle of induction heating were introduced,and a structure of can machine was discussed in detail.

介绍了研制中频感应加热炉的背景和感应加热的原理，详细描述了制罐机的硬件构成和整个系统的控制示意图，以及电气控制部分的框图；给出了温度自动调节的控制原理。

The basic principle of unequal exchange can be described simply as "buying cheap and selling dear", in such a way that a commodity or asset is bought either: 1 below its real value, and sold at a higher value, or 2 at its real value, but sold above its real value, or 3 above its real value, and sold at a price even higher than its already inflated acquisition cost e.g.

不等价交换的基本原理被简单地描述为"低价买进，高价卖出"不等价交换的基本原理被简单地描述为"低价买进，高价卖出"，按照这样的方式，一件商品或者资产可以：照这样的方式，一件商品或者资产可以： 1低于其真实价值买进，以更高的价格卖出，或低于其真实价值买进，以更高的价格卖出， 2按其真实价值买进，但以高于其真实价值的价格卖出，或按其真实价值买进，但以高于其真实价值的价格卖出， 3按高于其真实价值的价格买进，以甚至高于其已经上升的购置成本按高于其真实价值的价格买进，例如股市卖出。

Based on the compensate admittance model of Steinmetz theory a method is put forward which use instantaneous values of load current and voltage to denote it. The simulations and practical application in the design of SVC model have shown that the proposed method is very effective, accurate, and with fast response performance.

本文基于不平衡负荷的平衡化原理(即Steinmetz原理)的补偿导纳模型，采用负荷电流电压瞬时值采样的方法补偿无功功率，并将该方法应用于SVC样机的设计，结果表明，它们是快速有效和准确的，具有实际的工程应用价值。

This paper introduces the simulation method and advanced computer technology combining with ship statics principle into cargo shipment of bulk grain carrier,and develops loading simulation system of the bulk grain carrier. And introduce the principle of system and method of implement particularly. This Paper describes the relating high precision calculation algorithms of the stability,trim and strength calculation used by the loading software in detail,focuses on the algorithms of numerical value integral and curve difference and imitate algorithms.

另外，本文还引入模拟的方法，采用先进的计算机技术，结合船舶静力学原理和散装谷物船舶稳性校核的特殊要求，开发了散装谷物船舶的装载模拟系统，并详细介绍了该系统的原理和实现方法，在计算方法上，采用了高精度的浮态、稳性、和强度的计算方法。

The high-power system including main circuit, the charging and discharging circuit of synthetic circuit test system, and the principle of charging and discharging for current supply using electrolytic capacitor is presented. At the aspect of circuit breaker control, the advanced permanent magnetic actuator is used and analyzed in this paper, including the precision computation and using in synthetic circuit. The trigger circuit of voltage supply is designed, and the intelligent control is used to trigger the igniting gap. And the integraph based Rogowski coil is designed and employed the intelligent detection of breaking current.

强电系统介绍了合成回路试验系统的主电路及其充放电电路，讲述了电流源采用电解电容器的充放电原理；断路器控制方面，采用当前比较先进的永磁操动机构，并对永磁机构的原理、精度计算和在合成回路中的应用做了详细地分析；设计并制作了电压源点火回路，对球隙点火进行智能控制；在智能检测开断电流方面，设计并制作了与Rogowski线圈相配合的积分器。

A new method preparing a dope used in laser quench is introduced. The design principles of spray nozzle and the feed system have been described. It is realized that intermixture dope being radical absorb light is automatically sprayed with the help of the spray nozzle designed based on the centrifugal principle.

研究了一种制备激光淬火吸光涂层的新方法，重点叙述了喷头和送料系统的设计原理，利用离心原理设计的喷头和涂料同步送给系统实现了水基混合物吸光涂料的自动涂敷，解决了涂料堵塞和沉淀的问题。

Based on the principle of inversion analysis , applications of inversion analysis in welding field including material properties, heat source model, boundary conditions were introduced.

在阐述了反演分析原理的基础上，介绍了国内外焊接领域，包括材料性能，热源模型，边界条件等问题中反演分析的应用，及反演分析各种算法的原理及特点。

This article first on to the topic background, the topic object basic survey and the topic research goal has given brief showing, then has made a detailed elaboration to the AC-DC-AC inversion principle of work, emphatically has analyzed based on the AC-DC-AC inversion control principle as well as the SPWM profile several productions method.

本文首先就对课题的背景，课题对象的基本概况以及课题研究的目的做了简要的说明，然后对AC-DC-AC逆变器的工作原理做了一个详细阐述，着重分析了基于AC-DC-AC逆变器的控制原理以及SPWM波形的几种生成方法。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。