次級風向 的英文怎麼說
中文拼音 [cìjífēngxiàng]
次級風向
英文
secondary wind direction-
The company leads the product each automobile spider gear, the heavy automobile gear, all type forging, dead axle, the host reduces always becomes and so on each kind of automobile fitting, because supplied goods promptly, the quality is reliable, the price is moderate, the service is thorough once many times attains the chinese heavy steam, the hunan automobile vehicle bridge factory, the chongqing heavy steam, the shaanxi heavy steam, the anhui peaceful triumphant fukuda dawn vehicle bridge company and so on the domestic each big motor pool, always installs the factory “ the outstanding supplier ” “ the aa level supplier ”, “ the outstanding necessary unit ” and so on the title
長風公司主導產品各型汽車弧錐齒輪、重型汽車齒輪、和型鍛件、轉向節、主減總成等各種汽車配件，因供貨及時、質量可靠、價格適中、服務周到曾多次獲中國重汽、湖南汽車車橋廠、重慶重汽、陜西重汽、安徽安凱福田曙光車橋公司等國內各大汽車廠、總裝廠「優秀供應商」 、 「 aa級供方」 、 「優秀配套單位」等稱號。The curtain rose on the ballet, which was one of those excellent specimens of the italian school, admirably arranged and put on the stage by henri, who has established for himself a great reputation throughout italy for his taste and skill in the choregraphic art - one of those masterly productions of grace, method, and elegance in which the whole corps de ballet, from the principal dancers to the humblest supernumerary, are all engaged on the stage at the same time ; and a hundred and fifty persons may be seen exhibiting the same attitude, or elevating the same arm or leg with a simultaneous movement, that would lead you to suppose that but one mind, one act of volition, influenced the moving mass - the ballet was called " poliska.
大幕又垃開了，歌舞團登臺了，這是最出色最標準的義大利派歌舞團之一，導演是亨利，他在義大利全國極負盛名，他的風格和技巧一向以導演群眾場面而見長。這次上演的，是他的傑作之一，舉止優美，動作整，高雅脫俗歌舞團全班人馬，上至臺柱舞星，下至最低級的配角，都同時登臺一百五十個人都以同樣的姿態出現，一舉手，一投足，動作都非常整。這叫做「波利卡」舞。A transverse secondary circulation is produced by the coupling of high and low jets, while the sinking branch of the secondary circulation providing the dynamic conditions for the dry intrusion air. during the period of the heavy rain process, dry intrusion descends southward along the intense constant potential temperature lines, which promotes the lower cyclone. in addition, the pouring of upper - level dry air not only decreases ground temperature behind the front but also increases surface pressure and velocity
由於高、低空急流耦合，在高空急流中心左側產生的下沉運動和高空急流中心右側、低空急流左側產生的上升運動在鋒面上形成一次級環流，次級環流的下沉支運動為對流層高層干空氣和高位渦的下傳提供了動力條件；進一步研究發現，干侵入沿相當位溫密集帶向南向下伸展，引起對流層低層氣旋性渦度的發展；此外，高層乾冷空氣向下注入，導致地面溫度降低、氣壓升高、風速加大、低層輻合增強、上升速度加大，從而促進了新的對流運動，引起降水增強。The author firstly analyzed the mathematic model of the cascaded brushless doubly - fed machine ( cbdfm ) on the dq and mt coordinate rotating at rotor speed and synchronous speed seperatly, and the equivalent circuit of steady state. the author also analyzed the stator power winding flux oriented vector control strategy of the cbdfm as vscf wind power generator and validated the validity of the model and strategy by the simulation analysis
此外，本文還首次詳盡地分析了級聯式無刷雙饋電機在轉子機械速dq坐標系、定子同步速mt坐標系下的數學模型，穩態等效電路及作變速恆頻風力發電機運行時的定子功率繞組磁鏈定向矢量控制策略，通過模擬分析驗證了模型和策略的正確性。分享友人