In this task, given a sentence in the Chinese language, your task is to convert it into the English language.

第51届年度欧洲电视网在欧洲各地直播，估计有1亿观众观看。
The 51st annual Eurovision was broadcast live across Europe, watched by an estimated 100 million viewers.

鉴定牺牲者的工作在寻找失踪家人的亲属中引起了骚动，因为法医调查员在尸体被冲上岸的各分散地点起不到作用。
The identification of the victims has caused a stir among relatives looking for their missing family members, as forensic investigators were rendered helpless in proceeding to the scattered locations where bodies have been washing ashore.

除了署名，该许可还要求在相同的条件下进行修改，这一原则被称为“非盈利版权”，最常应用于免费操作系统Linux等计算机软件。

Besides attribution, the license requires that modifications are made available under the same conditions, a principle known as "copyleft" and most frequently applied to computer software such as the free operating system Linux.