The use of perspective allows us to represent three dimensions on a flat page. 透視法的運用使我們能在平平的一頁(yè)紙上表現出三維空間。
Operations with Cartesian coordinates in space are commutative, but rotations over three dimensions are not. 卡氏座標中的運作是可換的，而三維空間中的旋轉是不可換的。
Warm, hot, raw water three dimensions separate thoroughly. 溫熱生水三度空間徹底分離。
But Grier and his team already foresaw the possibility of maneuvering hundreds or even thousands of particles in a three-dimensional space. 但是葛利爾和研究小組已經(jīng)預見(jiàn)了在三度空間中移動(dòng)千百顆粒子的可能性，因此他們試了許許多多不同的方法，希望能夠個(gè)別產(chǎn)生繞射光束并加以控制。
