真頂距 的英文怎麼說
中文拼音 [zhēndǐngjù]
真頂距
英文
true zenith distance-
How he came to head wide of an open goal from 4 yards is mystifying
距離球門4碼處面對空門竟然頂偏，真是匪夷所思。Walked along the road to the mountain top, i who have been in changsha for four years felt the beauty of yuelu from such close quarters for the first time
沿著盤山公路向山頂進發，已經在長沙生活了四年的我，真的是第一次如此近距離的感受嶽麓「楓葉流丹、紅舞秋山」的美妙。Obtained by emtp program and the egm, this paper studies on lightning protection performance on 500kv double circuit transmission line the distributed parameter model of tower is built when analyzing the back stroking lightning protection performance for double circuit line, it can truly reflect the spreading course of lightning current on the tower, furthermore, considering the randomness of working voltage ' s phase when lightning strokes the top tower and supposing the probability of lightning appearing arbitrary phase in a cycle of ac is equal, this paper brings forward the statistical method to calculate the rate of back stroking on double circuit line
本文利用emtp程序、擊距法對500kv同桿雙回線路的耐雷性能進行了研究。在分析同桿雙回線路的反擊耐雷性能時，建立了桿塔的分佈參數計算模型，此模型可以真實地反映雷電流在桿塔上的傳播過程。並針對雷擊塔頂時，導線運行電壓相位角的隨機性，本文假定雷擊出現于交流一周期的任一角度區間內的概率相等，提出了利用統計法計算同桿雙回線路的反擊跳閘率。The traditional simplification methods could n ' t adapt to transitional state due to the lack of ability on transitional features. in order to keep the transitional details together with the fidelity and briefness, both the geometric attributes and transitional modulus are considered during the th - distance - based threshold estimation, and the ring - splitting algorithm is successfully realized with the definition of the voxel - effected - field. the multiple - step method for multi - resolution expression of transitional state is put forward
提出了過渡狀態的幾何簡化方法，分析了現有簡化方法所存在的缺陷與不足，在簡化閾值中引入th距離，對幾何特性與過渡特性同時加以考慮，利用頂點影響域的建立與環分裂三角化過程的實施，在實現表達過程保真性與簡潔性的同時保留了重要的過渡細節特徵。分享友人