歐幾里得直線 的英文怎麼說

中文拼音 [ōudezhíxiàn]
歐幾里得直線 英文
euclidean straight line
  • : 名詞1. (姓氏) a surname 2. (歐洲的簡稱) short for europe
  • : 幾代詞1. (多少, 用於詢問數量和時間) how many 2. (表示不定的少數目) a few; several; some
  • : 里Ⅰ名詞1 (襯料; 紡織品的反面) lining; liner; inside 2 (里邊; 里邊的) inner 3 (街坊) neighbo...
  • : Ⅰ形容詞1 (成直線的; 硬挺的) straight; stiff 2 (跟地面垂直的; 從上到下的; 從前到后的) erect; v...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 直線 : 1. (不彎曲的線) straight line2. (急劇的) steep; sharp
  1. Secondly, their aims are made the investment of substations, feeders or running cost of electric power system minimum. but they do n ' t take into account of land utilization, street accessibility of right of way, etc., but demands of electric power system. generally, a straight line distance, namely, euclid distance, was used for calculating the distance between a load point and a substation, which is a straight forward but non - practical way for most planning techniques

    其次受研究工具的限制,這些模型以工程投資、運行費用等最小為目標,僅能考慮導載流量、電壓降等電力系統技術約束條件,簡化略去了用地限制、街道可達性等重要的自然約束條件,且求解這些模型的前奏是計算負荷點到變電所的距離(距離) ,簡便但不切合實際(這一點在城市電網規劃中尤其重要) ,因此較難給出技術上可行的最優解。
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