1、frames of video at various positions in time that are potentially overlapping requires special consideration in the pre-rendering steps.───视频的多个时间帧有潜在的重叠，因此在呈现前的步骤中需要特别注意。
2、Additional markings can be added to the cable to pre-define maximum and minimum sludge blanket positions.───可在电缆上作另外的标记，来预先确定污泥层位置的最高点与最低点。
3、loose part impact positions are located by analyzing signals from accelerometers mounted on the reactor vessel with signal pre processing, time frequency transforms, and neural networks.───通过对安装在反应堆压力壳上的多个加速度传感器的信号进行采集，并经过信号预处理、时频变换、神经网络计算等过程，实现对核电站松动件碰撞位置的定位。
prepositions（意思翻译）
v.预定位
prepositions（相似词语短语）
1、quadruped positions───四足姿势
2、pre pay───vt.预付；提前缴纳
3、positions mv───位置mv
4、positions───n.[水运]位置（position的复数）；定位
5、compromising positions───妥协立场
6、pre out───前输出
7、sleeping positions───就眠位置
8、pre reading───adj.阅读前的
9、pre───abbr.炼油工程师 (Petroleum Refining Engineer)
prepositions（双语使用场景）
1、frames of video at various positions in time that are potentially overlapping requires special consideration in the pre-rendering steps.───视频的多个时间帧有潜在的重叠，因此在呈现前的步骤中需要特别注意。
2、Additional markings can be added to the cable to pre-define maximum and minimum sludge blanket positions.───可在电缆上作另外的标记，来预先确定污泥层位置的最高点与最低点。
3、loose part impact positions are located by analyzing signals from accelerometers mounted on the reactor vessel with signal pre processing, time frequency transforms, and neural networks.───通过对安装在反应堆压力壳上的多个加速度传感器的信号进行采集，并经过信号预处理、时频变换、神经网络计算等过程，实现对核电站松动件碰撞位置的定位。