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- pro ratio average 按比例平均
- zero cross ratio average in short time 短时平均过零率
- China's birth ratio averaged 119.58 boys to every 100 girls, while in rural areas the ratio was 122.85 males to 100 females, Zhang Wiqing said at a symposium on rural population. 中国的出生比例是100个女孩对应119.;58个男孩，在农村这个比例变成了100个女性对应122
- This arrangement will have to do pro tem. 暂时只好这样安排。
- Much has been written on the subject pro and con. 对那问题已有很多赞成和反对的文章。
- We must be fair and consider the reason pro and con. 我们必须公平考虑赞成和反对的理由。
- The ratio of students to teachers is 35:1. 学生和老师的比率是三十五比一。
- The ratio of schoolboys to schoolgirls is 2 to 1. 男学生和女学生的比例是2比1。
- Men outnumber women here in the ratio of three to one. 此地男子数量以三比一超过女子。
- The first or last term of a ratio or a series. 首项，末项比率或数列中第一个或最后一个项
- We must consider the reasons pro and con. 我们必须考虑正反两方面的理由。
- She read the declaration aloud pro bono publico. 为了大家的便利，她将宣言高声读了一遍。
- In developed economies the average investment ratio is 21%. 在发达国家，平均的投资比例是21%25。
- We only supply that account on pro forma. 就估价单找我们只能供给那样的帐单。
- Jack aced the club pro three times. 杰克3次发球赢那位俱乐部职业选手3分。
- We considered the pro and con arguments. 我们考虑了正反两方面的议论。
- Are the rules the same as those of the pro? 业余拳击赛的规则与职业拳击赛的规则相同吗?
- Please accept the use of our cottage as a quid pro quo for lending us your car. 请尽管使用我们的村舍，以酬谢借给我们汽车之事。
- Ratio of peak lamp current to RMS or average lamp operating current. 灯电流峰值与RMS（均方根值）或平均工作电流的比值。
- The secretary sign per pro the manager. 秘书被授权代表经理签字。
