[translate] aThe passage introduces different types of artificial satellites as well as some natural ones such as the moon. 段落介绍人造卫星的不同的类型并且某自然部分例如月亮。[translate]
The lectures outlined here describe various types of perturbed Keplerian motion which arise in the satellite systems of Jupiter and Saturn, dealing with Japetus, and near-commensurability cases in Saturn's system, as well as with the great satellites of Jupiter....
aSatellites:The Soviet Union sent up the world's first satellite in 1957. This began the Space Age.Satellites have helped scientists study the earth. Much of our knowledge of the word has come from the information recorded by satellites. 卫星:1957年苏联送了世界的第一枚卫星。 这开始了空间Age...
aEnzyme-assisted extraction was proved to be environment-friendly and economical, and could be used in natural product extraction in large scale. 由酵素协助的提取在大规模被证明是不伤环境和经济的,并且能用于自然产品提取。[translate] ago back 回去[translate] ...
If you are in Shanghai for the 9 time, make sure you visit the beautiful Oriental Pearl Radio & TV Tower and the Jin Mao Tower. If you take a boat along the river, you will have a 10 experience. If you enjoy history and natural beauty, Yu Garden is a better choice. 2023/08/23...
SOME DYNAMICAL PROPERTIES OF THE NATURAL AND ARTIFICIAL SATELLITESSome qualitative properties of the natural and artificial satellites in the solar system that can be understood in terms of the restricted three-body problem are discussed. Three problems are considered: The satellite system of Jupiter;...
Computers, satellites, telecommunications, lasers, televisions and nuclear power all owe their invention to ways in which Einstein exposed a stranger and more complicated reality underneath the world.He escaped Hitler’s Germany and devoted the rest of his life to human rights and peace with an ...
根据 Our map service can update(更新) data about twice a year, but Google Earth can update its information every couple of minutes, through satellites,可知,信息更新的频率要低得多。故选A。 (4)推断题。本文主要介绍在线地图服务——世界地图,这篇文章应该等在报纸上,故选D。 [分析]短文大意:本文...
Theoretical predictions of the relative intensities and energies of the satellites were ... SA Chambers 被引量: 0发表: 1977年 Use of ESI-FTICR-MS to Characterize Dissolved Organic Matter in Headwater Streams Draining Forest-Dominated and Pasture-Dominated Watersheds Electrospray ionization Fourier ...
a近五年来,西昌已经发射了几颗人造卫星。 In the recent five years, Xichang has already launched several satellites.[translate] aIt is a written document drawn to the exporter by the bank at the request of the importer. By means of letter of credit, both the seller and buyer are well protect...