与这种纯粹主义相一致的是对作曲家手稿符号的研究，这是音乐学中一个相对较新的领域，直到今天仍在蓬勃发展。
In accordance with this kind of purism came an emphasis on studying composers' manuscript notations, a relatively new field of musicology that is flourishing even today.
我们自言是唯一会使用语言的物种——直到大猩猩和黑猩猩掌握了符号语言。
We're the only species with language, we told ourselves-until gorillas and chimps mastered sign language.
对于这些值，portlet操作会显示在浏览器中，直到用户点击减号符号以展开它们。
With this value, the portlet actions are not displayed on the browser (in the collapsed state) until a user clicks the collapsed minus signs to expand them.
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