1.
and it was only 39.17 % and < 43.33 % respectively for Blattella germanica and Periplaneta americana .
对德国小蠊和美洲大蠊的杀灭率亦仅为 39.17%和 43.33%以下。
2.
minimum destruction and removal efficiency
最低的毁灭及清除率
3.
Assessment on the performance of hand pumps for forest fire suppression based on operator's heart rate and water spraying efficiency
基于心率和喷水效率的森林灭火手泵性能评价
4.
Can we eliminate cancer so as to reduce death rate?
我们能消灭癌症以减少死亡率吗？
5.
The rate of species extinction already appears to be accelerating.
而物种灭绝的速率，也已经开始上升。
6.
Experimental Study on the Insect Control in Vegetation with High Power Centimeter Wave Irradiation;
高功率厘米波杀灭植被害虫实验研究
7.
The Design and Research of Wind Power Fire Fighting Machine on Fire Engine
机载式大功率风力灭火机的设计研究
8.
A perfect and reliable automatic fire-extinguishing sprinkler system is the key process that would ensure its fire-extinguishing efficiency.
完善可靠的自动喷水灭火系统是保证自动喷水灭火系统灭火效率的核心问题。
9.
BOD Measurement Based on Oxygen Fluorescent Quenching Rate Method
基于氧荧光猝灭速率法的生化需氧量检测
10.
Study on the Cleanup-rate of the Methomyl in Blood by the Membrance Coated Activated Carbon
包膜活性炭清除血中灭多威效率的研究
11.
High Wet Package Rate of Rent Surrgical Instrument:Reasons and Countermeasures
租赁手术器械灭菌湿包率高的原因分析及对策
12.
Study on Radiation Sterilization of Electron Beam Accelerator
大功率电子加速器的辐射灭菌效果研究
13.
Application and Analysis of the Machine Arm of Vehicle-mounted Powerful Pneumatic Extinguishers
机载式大功率风力灭火机机械臂的应用及分析
14.
It can put out surface fires, branch fires, leaf fires and grass fires effectively.
可对地表火、树干火、冠火和草原火实施有效扑灭,极大地提高灭火效率。
15.
And the number of extinctions continues at a high rate in the twenty-first century.
灭绝物种的数量在二十一世纪仍在以很高的速率上涨。
16.
Annihilation Cr+ Os+ So+ Ut Increases item loss after death and decreases the durability of the enemy′ s armor.
毁灭在死亡后造成装备丢失几率增加，减少敌人装备的耐久度。
17.
The premium rate is fix on the basis of the past statistical loss figures.
保险费率是根据以往货物灭失和破损的统计数字来制定的。
18.
During August our doom appeared to some giddy Western journalists "a question of days."
八月间，在西方某些轻率的记者看来，我们的毁灭似乎“指日可待”。