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So we're incredibly lucky to live in a three dimensional universe where there ARE stable orbits that allow planets, solar systems, and galaxies to exist at all.
所以，我们存在这个三维空间宇宙，具备着能够让行星、太阳系和银河系稳定存在的轨道，是何等不可思议的幸运呀！
《TOFEL（无字幕版）》《托福学习视频》
双语例句
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His proposal is to start by using solar systems with associated batteries to do much of the work that diesel generators do in post-calamity situations.
他建议在后灾害状况下，首先用附加电池的太阳能系统去承担本应由柴油发电机完成的许多工作。
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Widely used in battery back up power systems and solar systems.
广泛使用的电池备份的电力系统和太阳能系统。
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The universe is made up of 18 solar systems, of which Earth's sun is also apart.
银河由18个太阳系组成，地球的太阳系也正是其中一部分。
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But with a fifth planet, the simulations produced familiar solar systems 10 times more often.
但是加入第五个行星后，模拟10多次都重新了我们所熟知的太阳系。
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Hence we find worlds SUNS stars nebulae and whole solar systems moving from a first cause.
因此我们发觉各个世界、所有太阳、恒星、星云，包括整个太阳系，运行自一个第一缘起。