查询词典 per.

I can type 60 words per minute and take short hand at 80 words per minute.

我每分钟能打60个字，每分钟能速记80个字。

It does, however, provide a means of keeping the voltage change per step within per miscible limits.

然而，这确实提供了保持每步电压变化在允许范围内的方法。

Mixed saliva and pooled plaque samples from the smooth surfaces of teeth were collected for microbiologic analysis before administration (baseline~ day 0).. during treatment (days 7.. 14 and 21) and after withdrawal of the agents (days 28~ 42 and 56) and plaque index were recorded. Microbial cultivation were performed by serially diluting the samples with PBS solution and cultivating the aiquots on Mitis Salivarius Agar and MS supplemented with bacitracin for Oral streptococci and Mutans streptococci respectively. The plates were incubated at 37~C under microaerophilic condition(90%N2,10%CO.,) for 48 hot:rs. The number of colony-forming unit per plate was counted and the percentage of Mutans Streptococci per Oral streptococci in dental plaque were determined.

使用前、使用中1、2、3周及停止使用后1、3、5周分别记录菌斑指数并收集唾液及光滑面集合菌斑样本，应用MS及MSB培养基微需氧环境培养检测唾液和菌斑中口腔链球菌属细菌及变形链球菌的菌落形成数，分析各组使用药物前后唾液中变形链球菌的改变及菌斑中变形链球菌在口腔链球菌属细菌中百分比的变化以及变化的延续性。

Analysts have said that Sinosteel initially sought permission to lift a 2.4 per cent stake in Murchison to more than 15 per cent in order to increase its options in the complex battle for Midwest.

分析师们表示，中钢集团最初希望能获准将其在Murchison持有的2.4%的股权提高至15%以上，以便在对中西部公司的复杂争夺中扩充选择。

Harbinger, which owns 20 per cent of Murchison and supported the Midwest-Murchison merger proposal, purchased a 9.98 per cent stake in Midwest in the market.

Harbinger持有Murchison的20%股权，支持中西部公司与Murchison的合并方案。在表决之前，该公司从市场上购买了中西部公司9.98%的股份。

Harbinger,which owns 20 per cent of Murchison and supported the Midwest-Murchisonmerger proposal, purchased a 9.98 per cent stake in Midwest in themarket.

Harbinger持有Murchison的20%股权，支持中西部公司与Murchison的合并方案。在表决之前，该公司从市场上购买了中西部公司9.98%的股份。

The heavier bullet reduces muzzle velocity from 3,200 feet per second (975 m/s), to about 3,050 feet per second (930 m/s).

更重的弹头具有较少的初速，从早期型号的3，200码每秒（975米每秒）到A2的大概3050码每秒（930米每秒）。

There, 80 per cent of 18-year-old male army recruits are myopic, up from 25 per cent just 30 years ago.

譬如那里国家军队18岁男性的新兵，近视率已从30 年前之25%起到现在的80%。

Correlation analyses indicated that the correlations of NAE to NUE and NHI in rice were very significantly negative,and the correlations of NUE and NHI to yield per plant were very significantly positive,but the correlations of NUE to NHI and NAE to yield per plant were not significant.

相关分析表明，水稻NAE与NUE、NHI呈极显著负相关，NUE与NHI间无显著相关；水稻NUE和NHI与单株产量存在极显著的正相关，NAE与单株产量无显著相关。

A unit of speed, one nautical mile per hour, approximately 1.85 kilometers (1.15 statute miles) per hour.

缩写 kn。， kt。节：一种速度单位，每小时1海里，大约合每小时1.85公里

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。