When the room temperature drops below a preset value, the thermostat switch closes turning on the furnace . 当室温下降到低于预定值时，热继电器开关闭合，使炉子打开。
Not only was the meal well below the usual standard , but bessie seemed unable to walk steadily . 不仅当晚的饭菜明显地低于平时的标准，而且看起来贝茜似乎走路也走不稳了。
In the early period, the action of iaa was thought to be secondary to the more potent effect of certain complex lactones . 早期认为IAA的作用是低于某些复杂内酯的较为有效的效应。
The glyoxylate bypass enzymes are at or below the limits of detection, even after a single day of germination . 甚至在萌发一天之后，乙醛酸支路的酶的活性是处于或低于检测极限的。
These measurements showed that the electronic heat well below tc was dominated by an exponential dependence . 这些测量结果表明，在远低于Tc的温度下，电子比热是按指数规律变化的。
Farming is risky in that returns in any given year can be much above or below the average levels . 经营农业是有风险的，因为在任何一年里，农业收入都可能大大高于或低于平均收入水平。
The company was accused of paying workers in south africa a wage below the level recommended by britain and the eec . 有人攻击这家公司在南非付给工人的工资低于英国和欧洲经济共同体规定的标准。
Because the larger the event, the larger the number of oscillations of the transducer before they decay below the trigger level . 因为事件越大，传感器在它衰减到低于触发器电平之前的振荡次数越多。
This will help to overcome problems of apparent bimodality caused by the presence of many below-detection-limit values in a data set . 这将有助于克服因数据组中有大量低于捡出限的数值而出双模态性的问题。
Low interest rates on rank deposits (often below the rate of inflation) depress saving and encourage the hold of physical assets . 银行存款的低利率（往往低于通货膨胀率）减少了储蓄，鼓励人们持有实物资产。
