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- allowable safety distance 安全允许距离
- There was a safety distance of 5 cm out of regular radiation field. 该点距常规盆腔放射照野边缘有5cm的安全距离。
- To go through the power line protection zone at a distance smaller than the safety distance between conducting wires and the objects to run through. 小于导线距穿越物体之间的安全距离,通过架空电力线路保护区;
- Based on analyzing of the vehicle system dynamics, the safety distance model is predigested and improved, some is determined. 在分析汽车动力学的基础上,改进并简化了系统安全距离模型,并确定了其中一些参数的取值;
- After calculating and checking strength of the break shaft,it analyses the break causes of shaft when the calculative coefficient is less than the allowable safety one,introduces preventive measures. 简述了水泥厂烧成系统改造后回转窑主减速机的使用状况,对断后输入轴进行了强度校核,并分析了计算系数小于许用安全系数情况下轴断裂的原因,介绍了处理措施。
- On the basis of data of historical earthquake and several engineering experiece,raise appraiseing method and principle&referencenumerical of active rift safety distance. 在深入研究历史地震资料及若干工程实践的基础上，提出了活动断裂安全距离的评价原则，方法及其参考数值。
- On safety distance in regard to blast impact wave 爆炸冲击荷载对动物杀伤作用距离的试验研究
- safety distance between two ships 安全船距
- On the basis of comparison and analyses of risk rates, live working safety distances for 330 kV and 500 kV transmission lines are given in this paper . 基于危险率的比较分析，对330kV和500kV输电线路带电作业安全距离提出了建议
- The road is too narrow to allow the passage of gondola. 这条街太窄，大型货车不能通过。
- It seemed an eternity before news of his safety reached her. 他平安的消息到达她那里之前，那段时间似乎是无限漫长的。
- Please open a window to allow the air to circulate. 打开窗子让空气流通。
- Thanks to I had tied then the safety belt. 幸亏我当时系上了安全带。
- It is too dark outside to allow of walking. 外面太黑了，不能出去散步。
- The ship came about and headed back for safety. 这只船掉过头往回开到安全地带去。
- My boss doesn't allow me to use the telephone. 老板不许我使用电话。
- Allow three clear days for the letter to arrive. 信要整整三天才能到达。
- We will not allow ourselves to be trampled upon. 我们决不容许自己被人轻视。
- Safety Distance Computation of Destroying Aero-bomb and Shell 航、炮弹销毁的安全距离计算
- A round the world ticket allow several stopover. 环球飞机票可允许乘客在途经的几地方稍做逗留。
