长白山区瓦蛛属三新纪录种 ( 蜘蛛目: 皿蛛科: 微蛛亚科 )Three new Record Species of the Genus Walckenaeria Blackwall From Changbai Mountain Region ( Araneae: Linyphiidae: erigoninae )捕获数量最多的是直翅目和蜘蛛目, 分别达到27.91%和22.77%.What the quantities are mos...
The Memorial seems almost ugly, dominating the landscape for miles around.那座纪念碑耸立在方圆数英里景致之中显得近乎难看。More than fifteen thousand people took part in the memorial service.有15,000多人参加了悼念仪式。Dear Madam, Thank you for your intere...
某碳氢化合物已知可能是烯烃或是烷烃.A hydrocarbon was known to be either an alkene or alkane.在较高的烯烃情况下, 高能的中间物稳定作用更易出现.With the higher olefins, stabilization of the energetic intermediates occurs more easily.有时它们就难于和芳香族或烯烃的吸收峰相互区别.They ar...