行星系

但是他们表示，需要进一步的观察才能理解这个遥远的行星系。

But they say that further observations are needed to understand the distant planetary system .

其中非圆齿轮齿廓设计计算软件已获得计算机软件著作登记权（登记号：2009SR027139）。建立了非圆齿轮行星系分插机构的三维模型，进行了虚拟装配和虚拟动态仿真。

The noncircular gear tooth profile algorithm copyrights of computer software was awarded ( Registration Number : 2009SR027139 ) . Construction the three dimensional model of separating mechanism with noncircular planetary system , the hypothesized assembly and the hypothesized dynamic simulation .

在我们自己的星系里可能有数以万计的行星系。

Within our own galaxy there are probably tens of thousands of planetary systems .

偏心齿轮行星系水稻分插机构的分析研究

Analysis and Study of Transplanting Mechanism With Planetary Eccentric Gears

高速插秧机椭圆齿轮行星系分插机构的参数优化

Parameters Optimization of Transplanting Mechanism with Planetary Elliptic Gears for High-speed Transplanter

偏心齿轮-非圆齿轮行星系分插机构运动机理分析

Analysis of Kinematic Principle of Transplanting Mechanism with Eccentric Gears and Non-circular Gears

椭圆齿轮行星系分插机构的动力性能分析、参数优化及实验验证

Dynamics Performance Analysis , Parameters Optimization and Proof for Transplanting Mechanism with Planetary Elliptic Gears

圆柱齿椭圆齿行星系分插机构的运动特性分析与优化

Analysis of Kinematic Property and Parameters Optimization of Planting Mechanism with Planetary Spur Gears and Elliptical Gears

2017年初有消息称发现了一个距地球几十光年的行星系，这就是特拉比斯特1号。

TRAPPIST-1 is a planetary system a few dozen light-years away whose discovery was announced in early 2017 .

美国宇航局史匹哲天文望远镜发现了这个全新的行星系。史匹哲红外望远镜绕太阳运行，追踪地球。

NASA 's space telescope Spitzer , an infrared telescope that trails the earth as it orbits the sun , revealed the new system .

据《天体物理学》杂志报道，这颗行星系围绕红矮星沃尔夫1061旋转的三颗行星之一，这三颗行星都处于蛇夫座当中。

The planet , reported in the Astrophysical Journal Letters , is one of three detected orbiting a small red dwarf star called Wolf 1061 in the constellation Ophiuchus .

为了得到高速插秧机椭圆齿轮行星系分插机构的动力学特性，研制了高速分插机构动力学试验台。

In order to obtain dynamic characteristics of transplanting mechanism with elliptic planetary gears of high-speed rice transplanter , a test bed to measure dynamic parameters for high-speed transplanting mechanism is developed .

利用非圆齿轮行星系或圆齿轮差动机构和非圆齿轮机构的配合，可以再现一定种类的非单调函数。

Using the planetary systems of non - circular gears or the compound of circular gears ' differential mechanism and non-circular gear mechanism , a certain kind of non-monotonic presentation function can be got .

科学家们将该行星系恒星周围的理想地带称为“宜居地带”，由于这里正好适宜生命生存，他们有时也将其戏称为“金发美女地带”。

Scientists refer to the ideal zone just around the star as " the habitable zone , " sometimes jokingly called the " Goldilocks Zone , " as it is just right for supporting life .

为了改进传统编队模式，本文提出了基于行星系法多移动机器人编队模式，并从理论和仿真方面进行了深入的分析和研究。

To improve the traditional formation approach , this paper puts forward a new approach , namely a planetary system-based approach to multi-robot formation , which is theoretically analyzed in depth and verified by the simulation experiment .

更近期发送的无线电信息有：美国宇航局向北极星传送的一支甲壳虫乐队的歌，向北斗星座一个行星系发送的一段“立体脆”食品广告，以及通过在克里米亚的一部天线向近地恒星发送的一系列无线电信号。

More recent radio transmissions include a Beatles song beamed by NASA to the North Star , a Doritos advertisement launched to a planetary system in the Big Dipper , and a series of broadcasts sent to nearby stars using an antenna in Crimea .

JK－D系列快速卷扬机系采用少齿差行星减速系减速，按扭电控卷扬；

High speed winch series JK D uses planetary reducer with less gear number difference and electric button control .

科学家发现了数颗围绕着长蛇座M矮星GJ357运行的系外行星，系外行星指的是围绕太阳系外恒星运行的行星。

Multiple exoplanets -- planets orbiting stars outside our solar system -- were discovered orbiting an M-dwarf star , called GJ 357 in the Hydra constellation .

推测可可西里地区中新世早-中期海拔高度已超过了2000m，并已超过影响行星风系的临界值，阻挡了来自海洋湿润气流进入内陆，导致气候变干。

The altitude of Hoh Xil region might have exceeded 2000m in early-middle Miocene . Thus the higher altitude influenced the planetary system of winds , which in turn prevented the moist air into the inland from the ocean and caused the dry climate .

应用齿轮系的复接头图画表示法与基本回路方法，对3K行星齿轮系进行系统化的传动比、作用力矩与传动效率的分析，作为3K行星齿轮系分析与设计的依据。

The 3K type planetary gear trains are the important aid units in the transmission systems . In this paper , a systematic method has been presented for the determination of the speed-ratio and mechanical efficiency of 3K type planetary gear trains .

复杂行星齿轮系运动学分析及效率计算

Kinematic Analysis and Efficiency Calculation for Complex Planetary Gear Trains

一齿差行星齿轮系可调珩磨头的设计与使用

Design and Application of Adjustable Honer for " One Tooth Difference " Planetary Gear System

天文学家借助于这项发现，还能在太阳系外发现更多的行星，系外行星可能“复制”了产生地球上生命的条件。

The discovery suggests that at least one third of stars similar to our own Sun host these difficult-to-detect celestial bodies , multiplying previous estimates by five .

叙述了一种高速插秧机分插机构&双控制分插机构的结构原理，其传动由曲柄摇杆机构和行星齿轮系组成，完成插秧所需的运动轨迹。

In this paper , a kind of separating planting mechanism of high performance rice transplanter , separating planting mechanism with double control unit was introduced , in order to achieve the movement trace of transplanting arm , connected rod mechanism and planetary rod mechanism were used .

用CCD观测行星决定坐标系零点

Determination of zero point of reference frame in the observation of planets with a CCD

行星齿轮传动系中啮合相位关系

Engaging Phase Relations in the Planetary Gear Train

“这颗行星来自外星系的说法只是一种猜测，”普拉夫多说。

" The claim that it 's extragalactic is kind of a guess ," says Pravdo .

科学家们希望对这些物质的研究能帮助人们解开行星和太阳系的起源之谜。

Scientists hoped that study of the materials would yield insights about the early formation of planets and the dawn of the solar system .

我经过了土星并且飞过它，看到了行星和太阳系，因此我们，为此我会在以后的记忆中重现，为什么呢？

And I had seen Saturn pass by and later , what I took to be planets and suns-so had we come back , and why ?

而恶劣的天气并没有到此为止，因为最热的行星在太阳系里甚至有雪，但不像我们所了解的那样。

And the wild weather does not end there because the hottest planet in the solar system even has snow but not as we know it .