7月9号在波兰罗兹举办的国际宇宙射线大会上，科林博士指出，月球能像阻隔光线那样有效的阻隔电子和正电子。
As Dr Colin described on July 9th to the International Cosmic Ray Conference held in Lodz, Poland, the moon blocks electrons and positrons as effectively as it blocks light.
1914年9月，马肯森在波兰战役中指挥了对华沙的围攻和对罗兹的进攻，这时他指挥第九集团军。
The following month, in September 1914, Mackensen served in the Polish campaign, leading the siege of Warsaw and the attack on Lodz, by which time he had been appointed commander of Ninth Army;
1914年9月，马肯森在波兰战役中指挥了对华沙的围攻和对罗兹的进攻，这时他指挥第九集团军。
The following month, in September 1914, Mackensen served in the Polish campaign, leading the siege of Warsaw and the attack on Lodz, by which time he had been appointed commander of Ninth Army;
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