词组、短语、俚语及习惯用语• constant aberration
固定光行差。• constant acceleration
等加速度。• constant acceleration cam
等加速凸轮。• constant action
恒常作用。• constant amplitude carrier
等幅载波。• constant amplitude sinusoid
等幅正弦波。• constant antenna tuning
天线固定调谐。• constant area
常数(存储)区。不变面积。• constant bearing navigation
(弹与目标)平行接近法。定向航行。• constant benefit
不变效益。
solar constant
solar-constant的词性：
n.（名词）
1. The average density of solar radiation measured outside Earth's atmosphere and at Earth's mean distance from the sun, equal to 0.140 watt per square centimeter.
太阳常数：在地球大气层以外，从地球到太阳的平均距离上测得的太阳辐射的平均强度，相当于每平方厘米0.140瓦特
