field forces 中文意思是什麼
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The paper directed against the history and present of china silk industry, by analysing the principal contradiction of restricting industrial advance from the point of view in productive forces and production relations, and by comparing to the brasil silk inductry where its productive forces is quickly advanced, thus, author suggested that we must again construct the advantage of china silk industry, by transtforming a industrial mode, and by building a modern production and technique system in mulberry field, and by building a industry - like technique system for enterprise raise silk worm, and by firstly advancing a number new silkworm region in the cental and west district et cetea aspects
本文針對中國蠶絲產業的歷史和現狀，從生產力和生產關系的角度分析了制約產業發展的基本矛盾，並通過和近期蠶絲生產力發展較快的巴西進行比較，提出應從產業模式改造、建立現代化桑園生產技術體系和工業化養蠶技術體系、發展一批以中西部地區為主的新蠶區等方面，重新營造中國蠶絲產業的優勢。 -
Abstract : the paper directed against the history and present of china silk industry, by analysing the principal contradiction of restricting industrial advance from the point of view in productive forces and production relations, and by comparing to the brasil silk inductry where its productive forces is quickly advanced, thus, author suggested that we must again construct the advantage of china silk industry, by transtforming a industrial mode, and by building a modern production and technique system in mulberry field, and by building a industry - like technique system for enterprise raise silk worm, and by firstly advancing a number new silkworm region in the cental and west district et cetea aspects
文摘:本文針對中國蠶絲產業的歷史和現狀，從生產力和生產關系的角度分析了制約產業發展的基本矛盾，並通過和近期蠶絲生產力發展較快的巴西進行比較，提出應從產業模式改造、建立現代化桑園生產技術體系和工業化養蠶技術體系、發展一批以中西部地區為主的新蠶區等方面，重新營造中國蠶絲產業的優勢。 -
In this paper, the analytical method of linear stability has been applied to establish the marginal stability criterion of natural convection in porous medium, after considering the action of gravity, centrifugal and coriolis forces together in centrifugal force field
理論研究的結果表明，當離心力與溫度梯度同方向時，只要滿足ra > 7 . 81 2或ra0 > 4 2 ，多孔介質中即可發生離心力、重力與哥氏力共同驅動的自然對流。 -
The results show that : the main driving forces of arable land change of shouguang county are the per capita income, the ratio of the pasture output value, the ratio of the cropping output values and the ratio of agricultural labor force proportion ; the main driving forces of arable land change of quzhou county are the variation of grain yield per unit area, the ratio of the pasture output value, the ratio of the cropping output values, the ratio of grain field areas and the population density
結果表明：壽光市耕地變化的主導驅動力包括人均收入、牧業總產值比例、種植業總產值比例和農林牧漁業勞動力；曲周縣耕地變化的主導驅動力包括糧食單產、牧業總產值比例、種植業總產值比例、糧田面積佔耕地面積比例和人口密度。在此基礎上，揭示縣域尺度上耕地變化的驅動機制，並為進一步進行土地利用覆蓋變化研究積累方法和經驗。 -
Within the field of ground effect, aerodynamic forces of the wing - in - surface effect crafts are not only decided by the angle of attack, but also by the flying height, and they lead to more complicated stability problems
在地效作用區域內，地效飛機的氣動力不僅與迎角有關，而且與飛行高度有關，因而其飛行穩定性問題更為復雜。 -
The inversion confirms that plate boundary actions are main factors controlling the regional stress field, and spreading forces of mountains and seashores are another important factor
同時顯示了板塊在垂直載荷下的彎曲對局部水平應力場造成相當的影響。 -
The conclusion that the electromagnetic field is a covariant entia is drawn from the analysis of the forces acting on a moving charge beside a straight carrying wire in several frame of references by special principle of relativity
摘要利用狹義相對論分別對同一載流直導線外一個運動電荷的受力情況在幾種常用的參考系中分析，得出電磁場是一個協變的統一體的結論。 -
Flying on a broomstick, particularly one which accelerates as quickly as the firebolt, must necessarily involve some form of magic protective field holding rider to broom and shielding against wind and inertial forces
乘坐一把飛天掃帚飛行，尤其是象火弩箭這樣有極高加速度的，就必須有某種魔法的保護性領域將乘坐者維持在掃帚上並針對大風和慣性力量進行防護。 -
Abstract : based on thestatic wind force factors of a tower and on the root - mean - square of the buffetingdisplacement responses of the tower top, which are measured by wind tunnel tests inlaminar and turbulent field respectively, the static and buffeting internal forces of thetower bottom control sections under its design wind speed are obtained by linearsuperposition method and fem
文摘:基於均勻流和紊流風場中的橋塔模型風洞試驗所測得的橋塔空氣力靜力系數及塔頂抖振響應的位移均方根，採用線性疊加法及有限元法反演，給出設計風速下塔底控制截面的順風向靜風及抖振內力。 -
The fourth part talks about the important role of sco in striking against the " three forces " and safeguarding the regional security. then the author advances that the common geopolitical reality and the impendent needs for striking the " three influence " is the precondition to strengthen the cooperation in the field of security, and draws a conclusion that " shanghai spirit " should be the guidance of sco
文章提出共同的地緣政治現實和打擊「三股勢力」的迫切需要是上海合作組織加強安全合作的基本前提，回顧了上海合作組織成立以來安全合作的發展歷程，並提出「睦鄰互信、平等互利、團結協作、共同發展」的「上海精神」應成為上海合作組織加強安全合作、共同打擊「三股勢力」的指針。 -
Convention for the amelioration of the condition of the wounded and sick in armed forces in the field, geneva, 12. 8. 1949
1949年8月12日訂于日內瓦的《改善戰地武裝部隊傷者病者境遇之日內瓦公約》 -
In fact, it was premature : physicists first had to understand the nuclear forces and the crucial role of quantum field theory in describing physics ? an understanding that was only achieved in the 1970s
事實上，這項行動只是太早熟了些：物理學家首先必須了解核力，以及量子場論在描述物理時所扮演的重要角色，這些認知直到1970年代才達成。 -
This curvature of the flow field alters the pressure distribution and the aerodynamic forces from their values in translational flight.
流場的彎曲使壓力分佈和空氣動力與直線飛行時的值相比發生了變化。 -
The boss operated like a general in charge of field forces.
領班行動起來象指揮野戰部隊的將軍。 -
Lectures, visiting artist presentations, field trips, and readings supplement studio practice, providing an index to the historical, cultural, and environmental forces that affect both development of artistic vision and reception of works of art
課堂講授、參觀藝術家表演、采風、閱讀資料作為實習訓練的補充，引領認識影響藝術想象力和藝術作品感受力發展的歷史、文化和環境因素。 -
It testified the assumption that the floor has infinite stiffness is feasible. moreover, it is the floor that makes the two neighboring trusses work together, and the horizontal shear forces are transferred by the tension field within it
同時試驗現象也表明，樓板在協調相鄰兩榀桁架共同工作時起了重要的作用，其水平剪力在樓板中的傳遞是通過樓板中的拉力場來實現。 -
An efficient wind field simulation technique for wind - induced vibration analysis of long - span bridges is first introduced in this paper ， and the statistic characteristics of the simulated wind field are then discussed on this basis ， the time - domain expressions for the buffeting and self - excited forces acting on long - span bridges are further given a simple and practical method is presented for the non - linear parameter identification involved in the calculation of self - excited forces by using the above theory ， the wind field and aerodynamic forces acting on the hong kong ting kau bridge are obtained the time - domain buffeting response analysis of the bridge shows that the analytic results agree quite well with the experimental ones this indicates that the theory presented in this paper has reached a practical level
介紹了一種快速高效的用於大跨度橋梁風致振動分析的風場模擬方法，並對模擬風場的統計性質進行了討論和驗證在此基礎上進一步給出了大跨度橋梁抖振力和自激力的時域表達方式，其中針對自激力計算中涉及的參數識別問題，提出了一種簡單實用的非線性參數識別方法本文採用上述理論，獲得了作用於香港汀九大橋上的風場和氣動力，據此對大橋進行的抖振響應時域分析表明，計算結果與風洞試驗結果吻合良好，說明文中述及的這套理論已達到實用的階段 -
For example, our tort law stipulates the equitable principle as one of the basic doctrines. but sometimes this principle can result in unfair ending, which forces the party who is not negligent to afford the losses of the other party, so maybe lawmakers could change this provision ; moreover, as to the aspect of compensation standard, since compensation for mental damages is a new field in china, it is seldom used in law practice
例如，我國侵權法所規定的公平原則在運用的過程中，經常會導致不公平的結果一強迫並無過錯的當事人承擔其他當事人的損失，所以應對此加以修正；此外在賠償標準方面，精神損害賠償在中國還是一個新鮮事物，但山于缺少可操作的具體標準，精神損害賠償在實踐中較少得到應用。 -
Development in the field of projector design is spurred on mainly by three motivating forces : the extensive research in underwater propagation establishes the advantages of increasing lower frequencies for long range detection, the advent of new active and structural materials leads to substantial improvements in transducer performance, applications of the computer technology
發射換能器設計的發展主要有三方面的推動力：對水聲傳播的廣泛研究確立了低頻應用於長距離探測的優勢，新的驅動材料和結構材料的發展使得換能器在性能方面得到提高，計算機技術的應用。 -
This paper makes a further analysis of the traditional opinion about ampere force that is the macroscopic showing of lorentz force, and it demonstrates that microscopic nature of ampere force is composition of electric field forces applied by hall electric field which is caused by lorentz forces for the positive ions at the crystal lattice of the conductor in magnetic field
摘要對安培力是洛倫茲力的宏觀表現的傳統說法進行了深入剖析，指明了安培力微觀本質是由於洛倫茲力而引起的霍爾電場對磁場中載流導體的晶格正離子施加的電場力的合力。
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