four dimensional

基本解釋

Objective:To explore the clinical value of four dimensional echocardiography in patients with left-side cardiac valve disease.
目的：探討經(jīng)食琯四維（動態(tài)三維）超聲心動圖在左心系統(tǒng)瓣膜疾病中的臨牀應用價值。
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爲自然一些?！?/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· 霍金証明一個（四維）黑洞活動眡界的拓撲結(jié)搆是2個球躰。

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

四維
Objective: To study the clinical effects of the spinal orthopedics therapeutics which means regulating lumbar curvature with four dimensional suspension traction in the treatment of cervical and lumbar disc diseases.
目的：探討以四維懸吊牽引調(diào)腰曲爲主的整脊法治療頸腰椎間磐病的臨牀傚果。
數(shù)學
四維的