Its model involves a two-mirrored system that directs sunlight down an optical rod onto a small (1 square centimeter) photovoltaic cell.
它的模型有一个双面镜像系统。该系统直接把阳光投射进一块小型(1平方厘米大小)光伏电池的光学感应棒上。
Sean Stewart, the son of Rod Stewart and his first wife Alana, would probably be judged less attractive than his model sister Kimberly.
罗德? 斯图尔特和他的第一任妻子阿莱娜所生的儿子西恩•斯图尔特就不如他们的女儿——名模金伯丽相貌出众。
Theoretical analyses show that the one dimensional vibration model of a slender rod can be derived out from the theory.
理论分析表明，细长条的长度伸缩振动模式可由所述理论直接导出。
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