查询词典 occultation

According to Catholic theology, the abasement of the Word consists in the assumption of humanity and the simultaneous occultation of the Divinity.

根据天主教神学的自卑的字组成的假设人类，同时掩星的神。

For smaller ones, which are expected to be more abundant in number, occultation of background stars by TNOs as a way to study their properties has been proposed but without any definite detection so far.

然而我们可以藉由掩星的方式来估计出一些尺度比较小的但是数量很多的物体，一般来说我们可以藉由光学波段的掩星方法来寻找一些大小差不多在几百公尺到几公里的物体，而且也有一些成果。

Under the assumptions of geometric optics and thin phase screen the retrieval algorithms of amplitude in GPS/LEO occultation technique were listed in this paper, respectively.

本文在几何光学和薄相位屏的假设下，分别介绍GPS/LEO无线电掩星反演地球大气技术中振幅反演的计算方法。

After a long period of occultation he again showed his face at the club.

长期隐匿之后他又在俱乐部露面了。

Usually, an occultation lasts only about an hour, but this time it was an unusual 12-hour marathon.

通常这种情况只持续约1小时，但这一次是不寻常的12小时马拉松。

The radio occultation technique is a new way to explore the Earth's atmosphere.

无线电掩星技术是一种探测地球大气的崭新途径。

The number of occultation events reaches the maximum as the RAAN difference is around 120 and 24

该研究结果对LEO－LEO掩星探测卫星的轨道设计有一定的参考作用。

From the 567 simulated occultation events, one rising and one setting occultation events are tested in the simulation.

从模拟的567个掩星事件中选择了一个上升掩星事件和一个下降掩星事件进行模拟分析。

The character of LEO-LEO satellite occultation events is well discussed in this paper. The impact of satellite orbit parameters on the number and distribution of occultation events are discussed based on simulation.

文章对LEO-LEO卫星掩星事件的特性进行了深入讨论，通过仿真计算定量讨论了轨道参数对掩星事件次数及分布的影响。

The following conclusions are drawn. 1 The orbit parameters that have relatively greater influence on the number and latitudinal distribution of annual occultation events are orbit inclination, orbit height, Right Ascension of Ascending Node and Argument of Perigee in turn. All four parameters have little impact on the longitudinal distribution of annual occultation events. 2 The orbit inclination of Transmitting Satellite and Receiving Satellite impacts both LEO－LEO occultation events number and their latitudinal distribution most. The number of occultation events reaches the maximum as the sum of the two inclination angles nears 180 degrees. The one that far away from 90 degrees of the two inclination angles determines the latitude range of the occultation events. 3 LEO－LEO occultation events number reaches a maximum when the heights of TS and RS are the same, and it reaches the maximum when the heights of TS and RS are 600 km . 4 The RAAN of TS and RS has a great influence on the LEO－LEO occultation number, but has little influence on occultation distribution.

结果指出：1对一年掩星事件数量及其纬度分布影响大的轨道参数依次是轨道倾角、轨道高度、升交点赤经和近地点角距；而这些参数对一年掩星事件的经度分布影响都不大；2发射卫星和接收卫星倾角之间的相互关系对掩星事件数量和纬度分布影响最大，两卫星倾角接近互补时掩星事件最多，两颗LEO卫星中与90°相差较大的倾角决定了LEO－LEO掩星事件的纬度分布范围；3发射卫星和接收卫星处于同一轨道高度时，LEO－LEO掩星事件数取得极大值，发射卫星和接收卫星都采用600 km的轨道高度，一年LEO－LEO掩星事件数最多；4 发射卫星和接收卫星升交点赤经的相互关系对LEO－LEO掩星事件数量影响很大，发射卫星和接收卫星升交点赤经之差为120°或240°时掩星事件数量最多，RAAN对掩星事件纬度和经度分布影响不大；5近地点角距对掩星事件数量和分布影响都不大。

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。