1·"We are forming a committee to investigate these regrettable incidents in order to ascertain their cause so as to avoid them in the future" is weaselly corporate-speak, but it is grammatically active.
“我们正组织一个委员会来调查这些令人遗憾的事故，以便确定它们发生的原因，以避免它们今后再重复”是企业的推诿说法，但它在语法上是主动语气。
2·Watching TrES-2b and its star, Kepler detected only the slightest such dimming and brightening, though enough to ascertain that a Jupiter-size gas giant was the cause.
开普勒在观察TrES - 2b和它的恒星时，只发现了很轻微的光线明暗变化，不过足以确定一颗跟木星体积相当的巨大气体球就是原因所在。
3·In a damage survey, surveyors' duties are to find the nature of damage, confirm the degree of damage and ascertain the cause of damage.
在残损鉴定工作中，鉴定人员的任务就是要查清残损的类型，确定残损的程度及判定残损的原因。
4·Daliangzi Lead Zinc deposit in Huidong is a rarely Seen high grade deposit in China, to ascertain the cause of its formation is of great significance to ore finding in future.
会东大梁子铅锌矿床是我国少见的富矿床，探明其成因对今后找矿具有重要意义。
5·An autopsy was needed to ascertain the cause of his death.
需验尸方能确定他的死因。
6·Energy absorption requires evaluation of the deceleration forces created during this crash to ascertain if they were high enough to cause fatal or serious injuries.
能量吸收需要对发生坠机时所产生的减速力的评估，确定是否会足以造成致命或严重的伤害。
7·The detectives are trying to ascertain the cause.
侦探正设法查清原因。
8·Article 43 in the event of a traffic accident that involves a vessel or installation, the competent authority shall ascertain the cause of the accident and fix the responsibility for it.
第四十三条船舶、设施发生的交通事故，由主管机关查明原因，判明责任。
9·Are many factors that can cause insomnia, so treatment of insomnia to ascertain the cause of symptomatic treatment.
很多种因素可以引起失眠，所以治疗失眠要查明原因，对症治疗。
10·Acts 23:28 And intending to ascertain the cause for which they were accusing him, I brought him down to their Sanhedrin.
徒二三28因为想要确知他们告他的缘故，我就带他下到他们的议会去。