He then accounts for the precession of the equinoxes.然后他解释分点岁差.The answer is yes, the fastest sunsets ( and sunrises ) occur at or equinoxes.答案是肯定的, 日落 ( 日出 ) 速度较快出现在春分或秋分时.The seasons are marked by solstices and equinox...
" The more , the better . " , as Han Xin said about the number of troops he could command.韩信将兵, 多多益善." The Capital Gazatte " , first published in the Han Dynasty ( 206 B.C. - 220 A . D . ), was the earliest newspaper in ...
研究了偕二金属有机试剂3与氯化三烷基锡和碘的非对映选择性反应.The diastereoselective reactions of organogembismetallic reagent 3 with trialkyl tin chloride and iodine were studied....