而另一方面，加拿大是一个有着严格环境法律的国家，要求石油公司在采完矿后要恢复地面原貌。
On the other hand, Canada is a country with strict environmental laws that require companies to restore land after mining is complete.
在欧元危机中，在要求建立苛刻和严格的财政规则方面，荷兰甚至比德国更加强硬。
During the euro crisis, the Netherlands has been tougher even than Germany in demanding austerity and rigid fiscal rules.
共有24名志愿者参与了这项研究，研究者们在口腔卫生、饮食和药物服用等方面对他们提出了严格的要求。
A total of 24 volunteers who took part in the study were given strict instructions on oral hygiene, diet and medication intake.
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