原理

The specimen were cleaned thoroughly before the measurement, and degased in vacuum to get rid of the air film.

至今科学工作者仍在不断地寻求新的原理和方法以便更精确地测量材料的密度。

The leak detectors developed by the air pressure difference is based on the principles of law and development.

本所研制的检漏仪是基于空气差压法的原理而开发的。

Because of its principle, the GITV10 is not significantly affected by air supply variation of pressure.

基于其先进的设计原理， GITV10 基本不受供给气压波动的影响。

The metal hydride heat pump /air conditioning system is a new technique of energy conservation and environmental protection.

叙述了节能环保新技术——金属氢化物热泵空调装置的原理、性能特点和国内外研究发展状况。

In this paper,the system principle of the air cooled screw heat pump total heat recovery unit was introduced.

本文对热泵全热回收空调机组系统原理进行了介绍，并通过对风冷热回收机组试验结果的分析，为该类型机组的设计及应用提供参考。

This paper introduces the advantage of all pneumatic control mode,the operation and principle of air route design.

现文就是论述这种控制换档方式的优点、气路设计原理及操作方法。

This paper presents a detailed description of this instrument,including the principle of the sensor,design of the air route,design of the hardware and the software.

介绍了该仪器的传感器原理、检测气路设计和仪器系统的硬件及软件设计，给出了仪器检测标准的近似计算公式并在实测中加以验证

Based on the basic principle of matrix analysis and the guiding policy for air flight route planning, and in connection with the characteristics of the domestic air service as well as their market environment, according to the article, the traditional met

摘要基于矩阵分析的原理和航线规划的原则，结合中国航空公司的特点和市场环境，将传统的矩阵分析方法应用于航空公司航线规划中，为航空公司在激烈的市场竞争中进行正确的航线规划提供了一种有效的战略分析工具。

Analyzes technically the energy consumption at the terminal of central air conditioners and then puts forward the control method of energy consumption .

简要介绍了中央空调的结构原理及在大、中型医院使用现状，并从技术角度对中央空调末端的能量消耗情况进行了分析，进而提出了能量消耗的控制办法。

In this paper, the application of thermostatic expansion valve in air conditioning system is introduced.

阐述了热力膨胀阀在制冷空调系统中的应用技术，结合热力膨胀阀的结构和工作原理，指出制冷空调系统的最佳稳定运行条件及热力膨胀阀的安装调试方法。

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。