| 释义 |
安全系数ānquán xìshù进行土木、机械等工程设计时,为了防止因材料的缺点、工作的偏差、外力的突增等因素所引起的后果,工程的受力部分实际上能够担负的力必须大于其容许担负的力,二者之比叫做安全系数。也指做某事的安全、可靠程度。{safety coefficient or factor; ratio between the strength of a machine part, etc. and the force it is allowed to sustain. When a construction, machine-building or any other engineering project is being designed, it is imperative to ensure that the part of the project that is supposed to react to an external force should be able to sustain more such force than it is allowed to; also meaning degree of safety or reliability} |