查询词典 pressure altitude

The $4 billion Qinghai-Xizang railway -- a remarkable system that transports passengers to an altitude (16,000 feet) so high that ballpoint pens can explode en route from the air-pressure change -- traverses 1,200 miles of rugged terrain to connect the rest of China to the remote Tibetan plateau.

造价40亿美元的青藏铁路是一个非比寻常的运输系统，其沿线地区的海拔高度大多在16，000英尺以上，在旅途中，圆珠笔会因气压变化而爆炸。这条铁路穿越1，200英里的高原地带，将偏远的青藏高原与中国其他地区连结起来。

As a result, low altitude operation is characterized by the appearance of a series of alternating pressure peaks and valleys along the nozzle surface.

因此，低空运作的特点是出现了一系列的交替的压力，高峰和低谷沿喷嘴表面。

According to the relationship among pressure, temperature and altitude, an altimeter system with MS5534B is designed.

摘 要：采用MS5534B，利用海拔高度与气压和温度的关系，设计并制作了微型气压高度计。

An instrument for determining elevation, especially an aneroid barometer used in aircraft that senses pressure changes accompanying changes in altitude.

测高仪，高度计一种测量高度的仪器，尤指飞机中的无液气压表，其可以测出伴随高度变化的压力变化

Atmospheric pressure decreases with increase in altitude and so does the density of the atmosphere.

大气压力随高度的增加而降低，而大气的密度也如此。

The fundamental principle of barometry was theoretically analyzed; the function between air pressure and actual altitude above sea-level in certain height range was derived; the algorithm adapted to MCU realiza...

本文从理论上分析了气压测高的基本原理，推算了在一定高度空间内，大气压力与实际海平面高度值的关系函数，使用最小二乘法和线性插值法推算适应单片机处理的算法，并且保证了计算结果的误差范围，分析了各种误差可能对结果产生的影响。

In modern combats, the destructibility and horrific power of new weapons, limitless and abominable filed (big noise, blazing flash, high radiation, over hot and cool, high altitude, etc) could produce a severe psychology pressure to soldiers, thus becoming one of the main reasons of numbers depleting.

现代战争是高技术条件下实施的高强度、短时间、全方位的激烈军事对抗，现代高技术武器的巨大破坏力，生化武器与未来新概念武器的威慑力以及恶劣的战场环境(如强声、强光、强电磁辐射、高温、高寒与高海拔等)等对士兵心理造成巨大的压力，造成心理与生理应激反应，导致精神疾患的发生率远远高于过去，成为战斗和非战斗减员的主要原因之一。

As the Qinghai-Tibet Plateau high elevation and thin air, and oxygen content is low, there is no pressure cooker, the boiling point of water is low, eat three meals a day are half-cooked rice, long-term malnutrition, coupled with long hours working on the plateau due to many different levels to suffering from altitude sickness.

由于青藏高原海拔高，空气稀薄，含氧量低，没有高压锅，开水的沸点低，一日三餐吃的都是夹生饭，长期营养不良，再加上由于长时间在高原工作，许多人不同程度地患上了高原病。

Winter, mainly in Mainland China Polar continental polar air mass, or variability of air masses under the control of the mainland, at 80 ~ 90 ° E for many high-altitude ridge of high pressure, while the coastal areas at high altitudes often a great groove, ridge ago, after the trough of cold air southward continually strengthened cold high ground, warm up the oceans for many low-pressure control.

冬季，我国大陆主要为极地大陆气团或变性极地大陆气团所控制，在80～90°E高空多为高压脊，而沿海高空常为一大槽，脊前、槽后的冷空气不断南下，加强了地面的冷高压，温暖的海洋上多为低气压所控制。

ECG of the subjects under aerospace stress conditions including acute altitude liypoxia, pressure breathing, acceleration, weightlessness, low body negative pressure and explosive decompression and non-pathologic ECG of athletes ,aviators and common workmen were reviewed.

本文概述了航空、航天应激心电图(高空急性缺氧，加压供氧、加速度，失重，高温、下身负压与爆炸减压)、运动员与飞行员以及普通工作人员的非病理性心电图。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。