four dimensional

常見例句

Objective:To explore the clinical value of four dimensional echocardiography in patients with left-side cardiac valve disease.
目的：探討經(jīng)食管四維（動態(tài)三維）超聲心動圖在左心系統(tǒng)瓣膜疾病中的臨床應(yīng)用價值。
As Einstein put it, "It appears therefore more natural to think of physical reality as a four dimensional existence, instead of, as hitherto, the evolution of a three dimensional existence."
就像愛因斯坦說的：“長久以來，我們都把物質(zhì)世界看成是一個不斷發(fā)展的三維存在，但將它看成一個四維存在似乎更為自然一些?！?/li>
Using the Gauss-Bonnet theorem, Stephen Hawking proved that the topology of the event horizon of a (four dimensional) black hole is a 2-sphere.
使用高斯-博內(nèi)定理，史蒂芬· 霍金證明一個（四維）黑洞活動視界的拓撲結(jié)構(gòu)是2個球體。

On the next rung up the ladder of difficult mathematics comes doing the same thing in four-dimensional space.
ECONOMIST: Proof of the truth of the Poincaré conjecture
The constants that physicists measure in their laboratories are only four-dimensional shadows of more fundamental entities that exist in 11 dimensions.
ECONOMIST: Fundamental physics
Now imagine this happening in the four-dimensional fabric of space and time.
NPR: Einstein: Relatively Speaking, a Complicated Life