“变化率”造句
他现在把变量叫做流,变量的
变化率叫做流数.
He now called a varrable quantity a fluent and its rate of change , the fluxion.
于是, 在正常点火时,叶片温度的
变化率约为30度/秒.
Thus, during a normal light-up the temperature charge rate on the blade is about 30 degrees/sec.
定义弹性能衰减度和塑性能
变化率.
Elastic energy attenuation degree and plastic energy change rate were defined.