density altitude
英 [ˈdensəti ˈæltɪtjuːd]
美 [ˈdensəti ˈæltɪtuːd]
网络 密度高度
双语例句
- Dynamic pressure is a function of velocity and air density, which in turn is dependant upon altitude and temperature.
动态压力是一个功能的速度和空气密度，而这又是取决于海拔高度和温度。 - There is a direct correlation between coffee density and the altitude that the coffee plant is growing at, with a higher altitude equaling a higher density.
海拔高度与咖啡密度也有直接的关系，海拔越高就意味着密度越高。 - By measuring the refraction of this radio beam, we will be able to plot the temperature and density profile of Pluto's atmosphere from high altitude down to the surface.
藉由测量无线电波的折射，我们可以描绘出冥王星大气层（从高空一直到表面）的温度与密度分布轮廓。 - Effect of Planting Density on Yield of Chinese Cabbage at High Altitude Areas
高海拔地区大白菜栽植密度与产量的关系 - It is showed by experiments that for low energy β reference sources, one must correct the variation of air path density which is induced by the changes of altitude.
验证实验表明：对低能β参考源，由于海拔高度的影响，必须修正辐射路径上空气密度变化对β参考辐射剂量标准值的影响。 - Methods of Calculating Atmospheric Density at Fixed Altitude
固定几何高度上大气密度的计算方法 - In the study, based on the atmospheric density model considering the effect of altitude change and diurnal variation of solar radiation, the semi-major axis perturbation equation of circling satellite with different initial phase in the DS is deduced.
研究基于考虑高度变化和太阳周日变化的大气密度模型，得出分布式卫星不同初始相位环绕卫星的长半轴摄动方程。 - Atmospheric density detector was on board spacecraft SZ-3 launched on March 2002. At SZ-3 orbit altitude ( 330& 410 km) atmospheric density data were collected near half year.
神舟3号（SZ-3）大气密度探测器搭载在SZ-3留轨舱上于2002年3月发射入轨，在轨运行期间获得了轨道舱运行高度范围（330&410km）内的大气密度数据。 - By the analysis of the nonhomogeneous of earth magnetic field, low ionosphere electron density and collision frequency with altitude, the nonhomogeneous of electrical characteristic piecewise, and the physical influence of atmospheric refraction, the "full wave theory" can solve the problems on sky-wave prediction.
在充分考虑地磁场、低电离层电子浓度和碰撞频率在高度方向上的不均匀性、地面电特性分段不均匀性、大气折射等物理条件下，采用全波理论解决了天波的理论预测问题。 - In this paper, variations of the main ionospheric parameters during large earthquakes are analysed and discussed. These parameters are the electron content below the ionospheric peak, electron density at the altitude of 200 km and the height of the maximum electron density etc.
本文主要分析、讨论了大震前后电离层峰以下的总电子含量、200km高度处电子浓度以及最大电子浓度所在高度等几个主要电离层参数的变化。 - A Test on Seeding Time and Density for Off-season Broad Bean in Weining High Altitude Areas
威宁高海拔地区夏秋反季节蚕豆播期及密度试验 - A new sodium resonance fluorescence lidar is set up, which is for measurements of Sodium density by resonance fluorescence method over 80~ 110km altitude.
介绍了一台监测高空钠层的激光雷达，通过共振荧光方法探测80～110km高度的钠层密度。 - On Mt. Mang, maximum DBH and basal area showed significantly negative correlations with altitude while stem density did not change significantly with altitude.
莽山乔木的最大胸径、胸高断面积之和与海拔呈明显的负相关性，而立木密度的变化规律不明显。 - The four atmosphere density models are gotten from the four groups of different altitude data of Groves model, and their deviation ranges from the exponential model of standard atmosphere density are ± 67%.
这四种大气密度取自Groves模型的四组不同纬度数据，其与标准大气密度指数模型的偏差范围为±67%。 - The carbon density of vegetation decreased linearly with increasing latitude, and so with increasing altitude in stands.
碳储量的空间变化规律表现为植被的碳密度与经度之间没有显著的相关性，而与纬度和海拔间均存在着显著的相关关系，表现为随着纬度和海拔增加植被碳密度递减。 - A Study on Cultivation Density and Harvest Time of the Vegetable Soybean in High Altitude and Cold Area
高海拔冷凉地区菜用大豆的生长发育与栽培密度 - It has been proved that the discharge voltage of air-gap and insulator decrease due to the lower air density at high altitude both at domestic and abroad.
国内外已有的研究结果和运行经验均表明：高海拔地区空气相对密度较低，无论是绝缘子还是空气间隙，其放电电压都将降低。 - Changes of the atmospheric density at sz-3 orbit altitude
神舟3号运行高度上大气密度的变化 - Thereby the pressure, the temperature of the cylinder in diesel engines and the density of the mixture decrease correspondingly, so that there are differences between the combustion processes which naturally aspirated and supercharged diesel engines operate at different altitude regions.
因此，柴油机缸内的压力、温度以及混合气密度相应减小，以至于在不同海拔地区运行的自然吸气柴油机和增压柴油机的燃烧过程存在差异。 - The result indicates that the concentration of the main pollutant assumes inverse correlation with the anion density, the vegetative cover and altitude behave conversely.
分析结果认为，负离子浓度与植被覆盖率、海拔高度呈正相关，与首要污染物浓度呈负相关； - And the decrease in the burning rate will further affect such parameters as air entrainment, flame shape, flame and smoke temperature, flame radiation and smoke density, which finally makes combustion law of liquid fuel at high altitude quite different from that at sea level.
由于燃烧速率的降低，进而会影响到空气的卷吸、火焰形状、火焰及烟气的温度、火焰辐射、烟气浓度等参数，从而造成高海拔地区的液体燃料燃烧的规律与内地有所不同。