主动 1.(能够造成有利局面) initiative 主动作某事 do sth. on one's own initiative; do sth. of one's own accord; 争取主动 try to gain the initiative; contend for the initiative; 主动为人们做好事 be active in doing good to men; 主动求婚[爱尔兰] take the initiative in courtship; 她不愿意主动这么做。 she does not like to do so from her own initiative. 他工作很主动。 he displays great initiative in his work.2.[机械工程] driving; 主动报价 unsolicited offers; 主动导航 active homing; 主动舵 active rudder; main rudder; 主动滑轮 driving pulley; feed pulley; 主动皮带轮 drive pulley; 主动注意 [心] active attention
Then it follows that under stable seepage the water pressure outside the foundation pit is reduced with a little change of the total horizontal pressure , while the water pressure inside the foundation pit is increased with a great change of the total horizontal pressure 针对这一情况,利用流网分析了在基坑周围存在稳定渗流时支护结构上水土压力的变化,并对其变化进行了分析与对比计算,得出绕支护结构的稳定渗流减小了主动侧的水压力,但总的水平压力变化不大;被动侧的水压力有所增加,但总的水平压力减小较多。