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Starting with Lagrange equations of the first kind, pure differential equations of multibody systems with rheonomic constraints are established.

变换方程与约束方程显含时的等价性,提出了约束与统判的等同表述。

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Every Lagrange point in our solar system has its quirks.

太阳系中每个拉格朗点都有其点。

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VOA慢速英语_世界

Gunthorp Farms in Lagrange, Indiana is selling chicken directly to customers.

位于印第安纳州拉格朗冈索普农场直接向顾客出售鸡肉。

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生活大爆炸 第6季

I'm looking for Trojan asteroids at Earth's LFive Lagrange point.

在地球L5拉格朗点寻伊小行星。

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双语版 TED-Ed 演讲精选

In every set of five, the first three Lagrange points are slightly unstable.

在每五个点中,前三个拉格朗点略微不稳定。

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双语版 TED-Ed 演讲精选

Consider the five Lagrange points generated by the Sun and the Earth.

以太阳和地球产生五个拉格朗点为例。

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双语版 TED-Ed 演讲精选

However, Lagrange points are places where all these forces balance out.

但是,拉格朗点是所有这些力平衡地方。

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BBC 听力 2022年1月合集

The James Webb space telescope has arrived at its final destination, a region of space called the second Lagrange point.

詹姆斯·韦伯太空望远镜已经抵达它地,一个被称为第二个拉格朗空间区域。

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双语版 TED-Ed 演讲精选

Pairs of massive bodies in our solar system generate sets of five Lagrange points.

太阳系中每对大型天体会产生五个拉格朗点。

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We send it to a place called Lagrange Point 2, about a million miles farther out from the Sun than we are.

我们把它送到一个叫第二拉格朗地方,一个比我们距离太阳还要远大约一百万英里地方。

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双语版 TED-Ed 演讲精选

Named after the 18th century mathematician who deduced their positions, Lagrange points are rare places of equilibrium in our constantly shifting universe.

拉格朗点是以推导出其位置 18 世纪数学家拉格朗名字命名,拉格朗点是我们不断变化宇宙中罕见平衡点。

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双语版 TED-Ed 演讲精选

Essentially, Lagrange points are celestial parking spaces — once an object is there, it requires little to no energy to stay put.

从本质上讲,拉格朗点像天体停车位——一旦物体在那里,它几乎不需要任何能量便可留在原地。

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Adding these up, there are over 1,000 Lagrange points in our solar system — but only a few are useful for human purposes.

加起来我们太阳系中拉格朗点超过 1,000 个,但只有少数对人类有用。

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双语版 TED-Ed 演讲精选

Each of these dots is a Lagrange point, and as far as human space exploration is concerned, they may be the most important places in our solar system.

这其中每一个点都是拉格朗点,而对人类太空探索而言,它们可能是我们太阳系中最重要地点。

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CGTN

And it'll be placed into a halo orbit at the second Lagrange Point of the Earth-Sun system and maintain a stable operation for a period of at least five years.

CHES空间望远镜将被送入地系统第二拉格朗Halo轨道,并在该轨道维持至少5年稳定运行。

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双语版 TED-Ed 演讲精选

So whenever humans want to keep an object in one place for a long time without using tons of fuel, it needs to be orbiting a Lagrange point.

因此,当人类希望不消耗大量燃料将物体长时间保留在一个地方时,它得绕着拉格朗点运行。

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精选英语短文

Hours later, it was expected to burn its engines to set it on course toward its ultimate destination, a position in space known as the second Lagrange point, or L2 (see 'Webb's journey').

几小时后,预计它会燃烧引擎, 使其驶向最地,即太空中被称为第二拉格朗点或 L2 位置(参见“韦伯旅程” )。

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NASA微课堂

NASA's Lucy mission will study the pristine Trojan asteroids, the remnants of our solar system that have been gravitationally trapped around Jupiter's Lagrange Point number four and Lagrange Point number five for over four and a half billion years.

NASA Lucy 任务将研究原始伊小行星,这是我们太阳系残余物,它们被引力困在木星拉格朗点 4 号和拉格朗点 5 周围超过 45 亿年。

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NASA微课堂

Lagrange Points, named after the Italian astronomer who first proposed them, are places in our solar system where the gravitational pull of the planet and the Sun, and the motion of the orbit combine to create an equilibrium.

拉格朗点以首先提出拉格朗意大利天文学家名字命名,是我们太阳系中行星和太阳引力以及轨道运动共同创造平衡地方。

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