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- 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。
- For the non-locating position, a cylindrical roller bearing unit. 在非定位端是一个圆柱滚子轴承装置。
- 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。
- Ball bearing unit is with excellent running precision and easy re-greasing. 带座外球面轴承具有良好的旋转精度，可方便的再润滑。
- 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
- Insert ball bearing unit is consisted of a double sealed, single row bearing and one of various types of housings (cast iron or stamping steel housing). 带座外球面球轴承由一个双面密封且外圈具有球形外截面的宽内圈深沟球轴承和一个轴承座(铸铁座或钢板冲压座)两部分组成。
- air borne systems for traffic surveillance 空中交通检测
- 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 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。
- Register the content that put on record to include: Full name, sexual distinction, be born unit of seat of number of date, Id, registered permanent residence, job, currently hold the post ofbranch of post, director to wait. 登记备案的内容包括：姓名、性别、出生日期、身份证号码、户口所在地、工作单位、现任职务、主管部门等。
- 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。
- This paper analyses the principle of seal, the fault of leakage and the cause of fault to the sealing arrangement for upper bearing unit in SJ 2000 oil purifier, and gives the means of improvement. 此文分析了 SJ2000型分油机上部轴承密封装置的密封机理、漏油故障及故障产生的原因，并提出了改进的方法。
- 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;
- 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;
