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- air borne pollution 大气污染
- The underlying cause is environmental through air borne toxins as well as toxins in the water supply or food supply. 潜在致因是环境中藉由空气传播的毒素,以及水源或食物源所带来的毒素。
- Pressure-compensated air bearings are used on both ends of the trunnion axis. 耳轴两端各用一压力补偿空气轴承。
- It was found that the transmissions of Sal.enteritidis infection in the duck flork could be induced by oral route through feeding materials and drinking water or by air borne route of infection. 方法研究经饲料、饮水口服和空气传播引起感染的情况。结果肠炎沙门氏菌在鸭群中可经饲料、饮水由消化道或经空气传播从呼吸道进入而引起发病。
- This method are with a high accuracy and real time application,and can be applied in the calculation of allowable launching area of air to air missile in air borne fire control system. 提出了一种确定目标进入角的原理和方法,这种原理和方法具有较高的计算精度和实时性,易于工程实现,可用于机载火力控制系统完成空对空导弹允许发射区计算。
- Interim Air Borne Target Acquisition System 临时机载目标捕获系统
- National Advanced Air Borne Command Post 国家高级空中指挥所
- The air in the garden was warm and fragrant. 花园里的空气一片温馨。
- The archers sent their shafts through the air. 弓箭手向空中射出利箭。
- air borne systems for traffic surveillance 空中交通检测
- Air Borne and Surface Early Warning 空中和地面预警
- The trunnion assembly is supported by air bearings at the end of each arm and is held in position by brake shoes at each bearings. 耳轴组件的支承是每根臂末端的空气轴承,轴承上的闸瓦起定位作用。
- Chosen the jet eductor of air bearing equipment,paper introduced the structure、work elements and design method of jet educator. 以气浮设备中的射流器设计为例,介绍了射流器的结构、工作原理和设计方法。
- Carbon dioxide may not be a typical air pollutant. 二氧化碳可能不是一种典型的污染物。
- Abstract:Testing interference torque is needful to ascertain the parameters of air bearing testbed and it is the preparation for dynamic simulation by air bearing testbed. 摘要:测量气浮台干扰力矩是气浮台参数标定的需要,也是气浮台动力学仿真试验的一项重要前期工作。
- Based on the law of momentum torque,this method tested interference torque of air bearing testbed by momentum wheel in the simulation system including SCM and control computer. 通过单通道全物理仿真实验表明,该方法误差较小,只需利用动量轮,因而是气浮台试验中一种简单实用的干扰力矩测试方法;
- The lack of air in the room make everyone sniffle. 屋子里空气缺乏,使得每个人都频频吸气。
- During the intermission, let's go out for some fresh air. 幕间休息时,我们出去呼吸呼吸新鲜空气吧。
- The air held a foretaste of a storm. 天气有要括大风的迹象。
- Testing interference torque is needful to ascertain the parameters of air bearing testbed and it is the preparation for dynamic simulation by air bearing testbed. 测量气浮台干扰力矩是气浮台参数标定的需要,也是气浮台动力学仿真试验的一项重要前期工作;