There are lots of stellar pairs in the universe, but all are interacting and exchanging matter with one another because they are so close together.

宇宙中存在许多双星系统，但是由于彼此间离得太近，它们全部都会发生交互并进行物质交换。

youdao

This device could make it possible to manufacture electroluminescent diodes of entangled photon pairs, with rates close to one gigahertz (in other words around on billion Hertz).

此装置可以让人们有可能制造频率接近1千兆赫(10亿赫兹)的纠缠光子对电致发光二极管。

youdao

With most of the pairs within 10 or 15 pips from their New York close, it has been a lackluster session to say the least.

大多数货币对自纽约收盘以来在10或15点的区间内波动，亚洲时段至少可以说是一个迟滞的交易时段。

youdao

Outside of the Northeast Corridor, and unlike in Europe and Japan, only a few city pairs in the U.S. are close enough to allow the necessary speed and convenience.

CENTERFORSECURITYPOLICY: Not a model railroad

The application pairs up girls in disadvantaged communities with an advantaged classroom (across the globe or close to home) with mobile technology.

UNESCO: EDUCATION

Four pairs of what astronomers are calling "impossible stars" stellar twins in orbits so close they defy explanation have been found in our Milky Way galaxy, scientists say.

MSN: 'Impossible' stars found in our galaxy - Technology & science - Space - Space.com | NBC News