Smolder ignition is the onset of self-sustained propagation deriving its principal heat from heterogeneous oxidation. The ignition can not be achieved when the elimination of the external heat input causes extinction.
阴燃材料的点燃系指材料在受到外热源加热后，依靠其自身异相氧化反应所放出的热量实现阴燃自维持传播的前期过程，如果导致熄灭则称不能点燃。
These are oscillations of fixed amplitude and frequency which can be sustained in the feedback loop even if the system input is zero.
其振荡以固定的幅值和频率在反馈环中维持即使系统的输入为零。
For sustained increase of agriculture production, it is necessary to develop and use advanced science and technology, and to increase agriculture input.
为了农业生产的持续增长，开发使用先进的科学技术和增加农业投入是有必要的。
With the various legal responsibilities and implications involved, modern maintenance requires much expertise and sustained input.
现代大厦维修涉及不少法律和其他责任，故需要许多专业知识及持续进行。
Hunan farmers cultivated land production input power shortage, cultivated land costs increase year by year, agricultural production condition, the agricultural production is low benefits, is restricting agricultural sustained long-term and stable development of main factors.
湖南省农户耕地生产投入动力不足，耕地投入成本逐年增加，农业生产条件差，农业生产比较效益低，是制约农业长期持续、稳定发展的主要因素。