原理

AJS (Air-pressure Jet Solidification) system is developed using the principles of FDM technology, but compared with traditional FDM machine there are some differences. So hardware structure, software module and control system need re-designing and optimizing.

气压式熔融沉积系统是在FDM技术原理的基础上开发出来的，但与传统的FDM快速成型机也有一定的区别，因此在硬件结构、软件模块、控制系统上需要重新设计和优化。

Man-machine interface receives signal and display the data of air-pressure and temperature on the screen for drivers.

人机接口部分接收到数据以后经过分析处理，根据工作状态将温度压力数据或其它数据送数码管显示，当压力异常变化、温度压力数据过限或发射模块故障时提供不同的声光报警信号，提醒驾驶员采取必要的措施，同时驾驶员可以根据实际情况设定温度压力数据阀值，文中给出相应的硬件设计原理图和详细的软件流程图。

This article elaborated the construction principle of two pipe jacking methods——Sludge-liquid balance method and air-pressure balance method , introduced the main equipments used, discussed the construction technology and the treatment measures, then summarized and evaluated the construction effects as well as the merits and disadvantages.

本文结合工程实例，论述了顶管施工中泥水平衡顶管法和气压平衡顶管法两种顶管法的施工原理，对其主要设备及作用进行了简单介绍，对顶管施工中技术及问题处理措施进行了详细阐述，并对施工效果和两种顶管法施工中的优缺点进行了总结和评价。

This article presented the basic principle about inspecting undergroud air-raid shelter with the method of transient rayleigh waves and offered a new method.

本文介绍了瞬态瑞雷波法探测地下防空洞的基本原理，提出了一种改进的方法。

The basic composition of the unit aircrew[4], the control principles of production procedure and the main part have been described in this paper.

本文叙述了单元机组的基本构成、生产流程及其主要部件的控制原理。

The method of combining that with horizontal airdrop principle is put forward;the mathematics model for that has been founded,and the relative error is analyzed,which supplies theory basis.

研究了目前先进的光电吊舱技术，提出了将水平空投原理和光电吊舱技术相结合的思想，建立了光电吊舱进行空投空降的数学模型，并进行误差分析。

At first, I will introduce the principle of the supersonic airflow tunnel and give the construction of the pipe.

首先，本文将概述超音速喷流实验台的基本原理，对整体结构的选择进行简要的说明。

Since 1980, IR stealth technology has been widely applied in the new weapons of foreign army, navy and airforce.

首先分析了红外隐身原理，然后研究了红外隐身技术的应用和发展趋势。

According to the present situations of the two production lines and the temperature needed by the producing technics of the heat-exchanger , using the numerical simulation with the Airpark software to analyze the reason why the cooling system can not meet the technicals requirement; with the heat transfer theory computation based on the heat transfer principle, the technical parameters of the cooling sect refer to the system technic and configuration are obtained. That are made for reasonable organization of the airflow of the cooling system and the new cooling equipment achieving the technical requirement. At the same time, it will ease the thermal pollution of the circumjacent environment and improve IAQ of the workshop

根据某厂两条换热器生产流水线的现状和冷却降温的工艺要求，用Airpark 软件进行数值模拟，分析了冷却系统无法满足工艺要求的原因；运用传热学原理进行了设备与环境的传热理论分析和计算，分析了冷却系统无法满足工艺要求的原因，得出了改造所需要的技术与结构参数，并对冷却系统进行合理布局与气流组织，使新的冷却系统发挥了应有的作用，满足了生产工艺的要求，同时也减轻了生产环境的热污染，提高了环境的空气品质。

The shape of girder of airscrew isn't revolving.The winding method of girder of airscrew isn't the same as the revolving body.

尾桨叶梁是一种不规则构件，其缠绕原理不同于普通的回转体结构。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。