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- According to the WSEIAC model, an index hierarchy of ground antiaircraft missile armament system's efficiency has been developed, and its corresponding three BP nerve network was established. 摘要根據WSEIAC模型建立了地面防空導彈武器系統效能評估的指標體系，并依此模型建立與之對應的三層BP神經(jīng)網(wǎng)絡(luò )。
- The fox went to ground under a rocky escarpment. 狐貍鉆進(jìn)了石崖下面的洞里。
- The ground was covered with ferns. 地面上長(cháng)滿(mǎn)了羊齒植物。
- He lifted a pail of water from the ground. 他把一桶水從地上提了起來(lái)。
- Rachel who died last week was still above ground. 雷切爾上星期去世，現在還沒(méi)安葬。
- This car really comes into its own on rough ground. 這輛汽車(chē)在顛簸的路上才真正顯示出它獨特的性能。
- They put some wreathes on the ground. 他們把一些花環(huán)放在地上。
- The ground was ploughed and planted with corn. 地翻耕后種上了玉米。
- He takes his ground on intuition. 他的意見(jiàn)是憑直覺(jué)。
- We need a mechanical digger to level the ground. 我們需要一臺挖掘機來(lái)平整土地。
- A good hot summer could dry the ground out. 一個(gè)炎熱的夏天可以將大地干透。
- Bob pecked at the hard ground with a pickaxe. 鮑勃用鶴嘴鋤在堅硬的地面上挖掘。
- The fence posts were fixed firmly in the ground. 柵欄的立柱牢牢地固定在地上。
- The ground is shut in by a wire fence. 那塊地被鐵絲籬笆圍住。
- Last winter the snow lay thick on the ground. 去年冬天，地上積雪很厚。
- His fist sent the robber sprawling on the ground. 他一拳把那搶劫犯打得四腳朝天。
- He was busy leveling the ground and laying turves. 他正忙于平整土地鋪草皮。
- Their missile silos are below ground. 他們的導彈發(fā)射井在地下。
- A petal fluttered to the ground. 一片花瓣飄落到地上。
- The ground was stained by running the foil. 地面已經(jīng)由于獵物奔回舊路而嗅跡零亂了。
