Adopting the space-group extinction rule and simulating the electron diffraction pattern with computer, this paper proposed a new method for selecting the reduced quadrangle.

引入空间群消光规律，用计算机模拟电子衍射图，提出选取约化四边形的新方法。

youdao

Alan Boss is the chairman of a group for outer space research.

艾伦·博斯是一个外层空间研究小组的主席。

youdao

Within a short space of time a group of complete unknowns had established a wholly original form of humour.

在短短的一段时间内，一群完全不为人知的人已始创了一种新式幽默。

《柯林斯英汉双解大词典》

The student prize went to Swansea Metropolitan architectural glass MA student Rhian Haf of Gwythevin, Abergele, for her glass sculpture Glass, Light and Space - a group of glass houses cast using an ancient lost wax technique.

BBC: fleece painting

But being evicted would be devastating to him, he said, not because he's trying to make money in Second Life, but because he and other people involved with his space-themed group have put so much time into developing their digital land.

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The series -- about a group of space explorers given various superpowers after being hit by cosmic rays -- began a new era for Marvel Comics, signaling the start of their wave of Silver Age characters, including Spider-Man, the X-Men, the Hulk, Iron Man and many more.

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