d four dimensional 中文意思是什麼
d four dimensional
解釋
四維- d :
- four : n 1 四人小組；（套在車上的）四匹馬。2 四的記號；（骰子的）四點；（鐘點的）四時；四歲。3 〈pl 〉 ...
- dimensional : adj. 1. 尺寸的。2. 空間的。3. 【數學】因次的；…次（元）的。
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In order to calculate depth - averaged two - dimensional ( 2 - d ) suspended sediment transport under waves and currents in the yangtze estuary, a numerical model system is developed. four models, a 2 - d compound fluid model including wind, waves, tides and river runoff, a swan wave model, a wave - current bottom boundary layer model and a 2 - d suspended sediment transport model are integrated
本文建立了一個用於波?流共同作用下長江口平面二維懸沙計算的數值模型系統，主要由四部分組成，即考慮風、浪、潮、徑流的二維復合流場模型、 swan海浪模型、波?流相互作用的底邊界層模型以及二維懸沙輸運模型。 -
The yarn architecture of three - dimensional ( 3 - d ) braided composites produced by the four - step 1 1 braiding technique and their effective elastic properties were studied in this dissertation with experimental investigation and a numerical method, respectively
本文採用控制體積單元法與試驗觀察相結合的方法研究了三維編織復合材料的細觀結構，並採用數值計算方法分析了三維編織復合材料的彈性性能，具有一定的理論價值和實際工程意義。 -
In practice, this dissertation focuses on the study of the aforementioned two problems, we have investigated and analyzed the controlling mechanism of the adiabatic conditional geometric quantum phase - shift gates for two - qubit, and realized the geometric quantum computation by making use of the nonadiabatic geometric phase of quantum states of the superconducting josephson junctions quantum interference device system. we have also discussed the accessible information of quantum signal resource ensemble, and studied the teleportation of an arbitrary d - dimensional tv - particle unknown state via a partially - entangled quantum channel ; this dissertation comes in four parts
實際上，我們在本文中就上述兩方面的問題作了一些探討：研究和分析了兩量子位絕熱條件幾何量子相移門的控制機制，利用超導約瑟夫森結量子器件系統的量子態的非絕熱幾何相位實現了幾何量子計算、討論了信源系綜的可接收信息問題以及任意d維n粒子未知量子態通過部分糾纏量子通道的隱態傳輸問題等。 -
If the magnetic field is strong enough, the number of bound states of d ~ centers is countless in three dimensional material, however in two dimensions only four bound states are found
如果磁場足夠大，三維體材料中d ~ -中心有無窮多個束縛態，而二維d ~ -中心則只有四個束縛態存在。
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