您要查找的是不是：
- Soiled dishes were piled at random. 脏碟子胡乱地堆放着。
- Reception improved because of the new antenna. 接受效果因有新天线而得到改善。
- The librarian took a book at random from the shelf. 图书管理员从书架上随便拿了一本书。
- Random mating within a breeding population. 自由交配在一个育种群中自由交配
- Chose a card at random from the deck. 从一副牌中任意选出一张
- No antenna, no radio, we're back in the nineteenth century! 没有天线，没有无线电，我们回到十九世纪了。
- By mere chance or fortune; at random. 碰巧; 胡乱地; 随意地
- random antenna 代用天线
- You should fix the television antenna before receiving programs. 接收节目前，你应该先装天线。
- The reception is very poor. Let me adjust the antenna. 接收效果太差了。让我来调一下天线。
- Extend the telescopic antenna vertically. 竖直地伸张伸缩式天线。
- An estimator is a random variable. 估计量是一个随机变量。
- He said he would head the antenna with a ball. 他说他还要给天线安个圆头。
- Marked by a lack of care, accuracy, or organization; random. 漫无目的的缺乏谨慎、精确或组织性的; 随意的
- He erected a television antenna on the roof. 他在房顶立了电视天线。
- They erected a television antenna on the roof. 他们在屋顶上架起了电视天线。
- The children sat around the table at random. 小孩们随便的围坐在桌子旁边。
- The headphone cord functions as the FM antenna. 耳机导线也具有FM天线的功能。
- On random inspection, the meat was found to be bad. 经抽查，发现肉变质了。
- You have introduced a partly random component. 你介绍了一个在一定程度上属于偶然的成分。
