An additional variable is that the moon can have varying degrees of intensity, depending where it is during its 29.5 day cycle of waxing and waning.
还有一个变量即月光亮度，随着月亮29.5天一周期的盈亏，月亮的亮度会发生变化。
The main distortion sources for MPT data transmission are the mud channel and additional variable distortions.
引起MPT传输数据失真的主要来源是泥浆信道和其他可变的失真因素。
Generally speaking, engineering structures and components can be always looked on as working under invariable original loads and additional variable loads.
一般而言，工程结构和构件总可以看成是在恒定初始载荷和附加可变载荷的联合作用下工作。
Generally speaking, engineering structures and components can be always looked on as working under invariable original loads and additional variable loads.
一般而言，工程结构和构件总可以看成是在恒定初始载荷和附加可变载荷的联合作用下工作。
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