查询词典 per head

So why should the recorded number of head injuries per battalion increase when men wore metal helmets rather than cloth caps?

为什么从布帽子换为金属头盔后，记载的每个部队头部负伤人数却增加了呢？？

"Thanks to advances in computer power, since the 1990's we have been able to predict these upswings in activity," said William Cooke, head of NASA's Meteoroid Environment Office."This year there is going to be a Leonid strong outburst , where the rates may race up to 300 per hour," Cooke said.

&感谢计算的发展，从1990年开始我们就能预测到这些天文现象，&NASA流星体研究办公室负责人William Cooke这样说，今年将是狮子座流星群的一次大爆发，其数量可达到一小时300颗左右。

Christian de Juniac, head of BCG's private banking practice, said firms' revenue increases would probably more than offset higher staff costs this year, with average pre-tax profits expected to rise by nearly 50 per cent.

波士顿咨询集团私人银行业务负责人克里斯蒂安·德朱尼亚克表示，今年企业营收的增长或许将不止抵消员工成本的上升，预计平均税前利润上升近50%。

But Richard Bradley, head of client services at Alexander Mann, to which the brewer outsources its UK recruitment, says successful candidates should be able to see a 25 per cent increase on the salaries they earned before their degree.

但 Alexander Mann（承接该啤酒生产商外包的英国招聘服务）公司客户服务主管理查德·布拉德利表示，成功的候选人获得的薪水，应该可以比他们取得MBA学位之前高出 25%。

I think there was only vent per box, no opportunity for cross ventilation, and the vents were toward the bottom, not the top where heat would normally head.

我觉得每个盒子只留一个散热孔，会造成空气无法对流，而且这个通风孔是朝下的，而不是在热气散发的顶部。

He realized that with a larger head the pressure per unit of surface was less and that this would tend to reduce wear.

他发现大股骨头表面的单位面积压力较小，因而可减少磨损。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。