IWC monitors would be aboard every vessel to document the kill and take DNA samples , so the meat can be traced .

捕鲸委员会的监管人员将遍布全球，记录捕杀行为，提取DNA样本，用来追踪鲸鱼肉的去向。

www.ecocn.org

One telescope aboard SOHO can provide three or four days ' warning of major solar events by spotting coronal mass ejections .

通过观测日冕物质的喷发，SOHO上的一台望远镜能提前三到四天预报太阳的重大活动。

en.bab.la

At the same time, however , Chinese military officers who had been invited to a reception aboard the Nimitz declined to attend .

然而与此同时，已被邀请参加尼米兹号航母招待会的中国军方官员却拒绝出席。

www.ftchinese.com