留空距 的英文怎麼說
中文拼音 [liúkōngjù]
留空距
英文
not plotted-
Because wake vortices can persist in calm air for several minutes ( extending for as far as eight miles ), the federal aviation administration requires minimum distances between aircraft, based on size
機尾渦流可以在無風的空氣中停留幾分鐘，向後延伸達12公里，所以美國聯邦航空總署按照飛機大小而規定了飛機之間的最小安全距離。Based on the genetic algorithm ' s global searching capability with probability regulation and euclid ' s space distance metric to settle multi - objective, the algorithm that integrates multi - objective ' s decision - making into the modified genetic algorithm to solute the optimal model with discrete variables and multi - objective is proposed. during the algorithm ' s design, the euclid ' s space distance metric is proposed to transform the multi - objective problem into single objective problem. and some modified measure to fitness function and crossover probability and mutation probability are used to improve the performance of the algorithm and avoid premature convergence
演算法設計過程中，利用歐幾里德空間距離準則和罰函數法，將含有約束條件的多目標規劃問題轉化為無約束的單目標優化問題；針對簡單遺傳演算法出現的早熟，構造隨進化代數動態調整適應度的適應度函數和隨個體適應度自適應調整的交叉、變異概率；提出比例選擇與精英保留策略相結合的選擇、兩點交叉和簡單變異的改進遺傳演算法。The paper analyzes the features of the design of shijiezhichuang station on shenzhen subway line 1 in respect of the choice of transfer mode, the scale of transfer nodes reserved in advance, openings in the ceiling, utilization of the upper space above the region of crossover switch and the distance between the east end of the station and the existing road tunnel
摘要對深圳地鐵1號線世界之窗站設計中的特點進行分析，包括車站換乘形式的選擇，預留換乘節點的大小、車站頂板的開孔、折返線道岔區上部空間的利用、車站東端距既有汽車隧道的距離等。The 6. 8 mm remington spc is limited to relatively short bullets to fit within the maximum cartridge length of 5. 56 mm weapons, so the grendel has a shorter ( 39 mm ) and fatter case, leaving room for longer, low - drag bullets, which retain their velocity out to long ranges
8毫米的雷明頓spc缺少相配套的短彈頭使之合適於5 . 56毫米武器的最大彈藥筒尺寸，因此格倫德爾的彈殼更短（ 39毫米）更胖一點，為遠距離低阻彈頭留出空間。Stations use hardpoints just like ships, so do not forget to place static hardpoints on large, flat surfaces in strategic locations, so that it is able to defend itself
檢查模型的嚙合情況，確保不留縫隙。雖然小溝小洞在遠距離不容易發覺，但如果小型載具飛近空間站站體，就很可能穿越縫隙飛到空間站站內部。Based on the above elementary problems, the relation between system and user equilibrium patterns is discussed and the realization of so pattern is presented. the gap between the user equlirium and system optium is a key factor of the evoluation of the network. and the capcity of a given network is the extension of the max - flow problem
在網路需求相對固定后，系統最優目標值和用戶平衡目標值之間的距離是一個重要參考指標，為宏觀調控留下了空間，通過注入管理信息或改變網路使用者的網路費用矩陣，可以達到用戶平衡下的行為實現系統最優的目標。分享友人