magnetic systems 中文意思是什麼
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To cool atoms to near absolute zero, physicists rely on systems of lasers and magnetic fields to trap atoms
為了將原子冷卻至接近絕對零度，物理學家倚靠的是雷射及磁場組成的系統來局限原子。 -
Magnetic compasses and binnacles - specification for transmitting systems and off - course alarms for class a magnetic compasses
磁羅盤及羅盤座規范.第8部分: a級磁羅盤的傳送系統和偏航報警器規范 -
Information systems - unformatted 80 - megabyte trident pack for use at 370 tpi and 6000 bpi - general, physical and magnetic requirements
信息系統.使用370tpi和6000bpi的非格式化的80兆位元組三叉組件.物理和磁特性通用要求 -
6. 30mm, 1600bpi 630pmm information systems - unrecorded magnetic tape cartridge for information interchange - 0. 250 inch 6. 30 mm, 1600 bpi 63 bpmm, phase encoded
信息系統.信息交換用未記錄的微型盒式磁帶.相位編碼的， 0 . 250英寸 -
3. 81mm, 8000bpi 315bpmm, information systems - recorded magnetic tape cassette for information interchange - 4 track, 0. 150 inch 3. 81 mm, 8000 bpi 315 bpmm, group code recording
信息系統.信息交換用已記錄盒式磁帶. 4道， 0 . 150英寸 -
6. 30mm, 1600bpi 63bpmm information systems - recorded magnetic tape cartridge for information interchange - 4 track, 0. 250 inch 6. 30 mm, 1600 bpi 63 bpmm, phase encoded
信息系統.信息交換用已記錄盒式磁帶.相位編碼的， 4道， 0 . 250英寸 -
Arl began work on developing degaussing systems to neutralize our ships' magnetic fields and thus protect them.
海軍部研究實驗室開始研製消磁系統以抑制我們艦艇的磁場，從而達到保護艦艇的目的。 -
The addition formula of spherical harmonics function of degree n and order 1 is derived using the relations between coordinate varieties after coordinate rotating and the property of the associated legendre polynomial. the relations among the magnetic vector potential, the modified magnetic vector potential and the second - order vector potential ( sovp ) are shown going forward one by one. it is explained that the solutions of electromagnetic fields in different coordinate systems can be transformed and an example having analytical solution is given
利用坐標旋轉后球坐標變量間的關系和連帶勒讓德多項式的性質推導得到了n次1階球諧函數的加法公式；以遞進的方式說明磁矢量位、修正磁矢量位與二階矢量位的關系，寫出了引入二階矢量位的過程；以時諧場矢量邊值問題為例，闡明了不同坐標系下電磁場解的相互轉化原理，給出了一個解析解的轉化例子；在球坐標下，引入了較球矢量波函數更普遍的兩類矢量函數，給出了其在球面上的正交關系。 -
Minute hardness testing systems, hardness meters vickers, rockwell, shore, metalloscopes, magnetic detectors, demagnetizers, metallographic inspection devices, surface roughness meters, electrical micrometers, air micrometers, mu meters, electrical converters, bore micrometers, cylindrical gauges, block gauges, eccentricity meters, precision bases, others
微小硬度系統硬度計維克斯洛氏邵氏金屬顯微鏡磁力探測機脫磁機金屬組織檢查裝置表面粗糙測定器電微型壓力機空氣微型壓力機微米表電轉換器鏜孔微型壓力機缸徑規塊規偏芯測定器精密加工臺等等。 -
Identification card systems - intersector thin flexible cards - magnetic recording technique
識別卡.內插式薄柔性卡片.磁記錄技術 -
Speed controls for traction include not only electrical vehicles of horizontal transportation such as electrical trains, internal - combustion locomotives with electrical transmissions, underground metros, light fait locomotives, trolley buses, even magnetic suspension trains and electrical cars etc., but also electrical vertical traction systems such as elevators, automatic moving staircases, mine winding engines, and gantry crane trucks etc
牽引調速既包括電氣火車、電傳動的內燃機車、地下鐵道、輕軌機車、無軌電車及磁懸浮列車和電動汽車等這類水平運輸電動車輛，也包括電梯、自動電梯、礦井卷揚機和龍門吊車等電動豎直牽引系統。 -
Magnetic tape sound recording and reproducing systems part 2 : calibration tapes
磁帶錄音和復制裝置.第2部分:校驗磁帶 -
Magnetic tape sound recording and reproducing systems. part 2 : calibration tapes
磁帶錄音和放音系統.第2部分:校準磁帶 -
Collective excitation of quasi - one dimensional electron systems on liquid helium surface at a magnetic field
磁場作用下液氦表面準一維電子氣體的激發 -
The magnetic field requirement of the sth harmonic gyroklystrons over cyclotron resonance masers ( crms ) would be reduced by a factor of s relative to operate on the fundamental cyclotron frequency, so that the amplifier could be applied to highly mobile millimeter wave radar systems
基於電子迴旋諧振脈塞原理工作的諧波迴旋速調放大器的工作磁場強度是基波的1 / s （ s是諧波數） ，因而能適用於機動性較高的軍用毫米波雷達系統。 -
6. 30mm 8000bpi 315bpmm information systems - serial recorded magnetic tape cartridge for information interchange - 4 and 9 track, 0. 250 inch 6. 30 mm, 8000 bpi 315 bpmm streaming mode, group code recording
信息系統.信息交換用串列已記錄盒式磁帶. 4道和9道. 0 . 250英寸 -
According to the electromagnetic induction principle, the magnetic field of induction cable of the two communication systems is analyzed, the system parameters is caculated and the system feasibility is being demonstrated
從電磁感應基本原理出發，對兩種通信系統感應線的電磁場進行了分析，計算了系統相關參數，對系統的可行性進行了論證。 -
It is the main purpose of this paper to calculate the energy splitting of ground state and excited states induced by thermally assisted quantum tunneling. first, a brief introduction is given for the theoretical and experimental studies on the magnetic macroscopic quantum effects. then, spin tunneling in a uniaxial ferromagnetic particle in transverse magnetic field is converted to a pseudoparticle moving in effective double - well potential with the help of the effective potential description of quantum spin systems developed by ulyanov and zaslavskii. finally using the periodic instanton method we evaluate the transition amplitude, energy shift and prefactor of wkb exponential and the energy splitting of ground state and the tunneling rate for excited states induced by thermally assisted quantum tunneling are obtained
文章首先對磁性宏觀量子效應的理論和實驗方面作了簡單介紹，然後藉助于ulyanov和zaslavskii發展的一種等效勢描述方法，把外磁場沿難磁化軸方向時的自旋隧穿約化成在等效雙勢阱中運動的粒子，利用瞬子方法給出基態能級劈裂，最後利用周期瞬子方法分別計算了隧穿幅、能級移動以及wkb前因子，從而給出由於熱助量子隧穿引起的激發態的隧穿率。 -
The ground state properties and the low temperature thermodynamic properties in several different quasi one - dimensional quantum magnetic systems were studied in the present thesis
本文研究了幾種不同的準一維量子磁性系統的基態和低溫下的熱力學性質。 -
The paper is arranged as five chapters : in the first chapter, we give a general introduction and summation of the current study background and states in the quasi one - dimensional magnetic systems
本文在內容上安排為五章：第一章中，我們對準一維量子磁性系統目前研究的背景和狀況做一個廣泛的介紹和概述。並介紹我們研究的內容和我們使用的研究方法。
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