“开普勒-22b”与其所在星系母恒星之间的距离比日地距离要短约15%,公转周期约为290个地球日。不过,母恒星所发射出的光能量也要比太阳弱25%。
Kepler 22-b lies at a distance from its sun about 15% less than the distance from the Earth to the Sun, and its year takes about 290 days.
寻常波从强场侧、弱场侧和顶部发射时,通过适当的调整波的发射条件,也能得到理想的传播结果。
O-mode waves launched from all of the three positions can propagate ideally by properly adjust the launch conditions.
研究了有限元传热分析中有吸收—发射性介质(或称弱吸收性介质,例如燃气)参与辐射传热时的处理方法。
An approach to the thermal radiation of absorbing-emitting media, or weak absorbing media, e. g. burned gas, in the finite element analysis (FEA) of heat transfer is studied in this paper.
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