在欧洲，也许是在世界上，今日的爱尔兰依然是唯一具有忧郁特征的国家，与150年前相比，生活在同一地域范围内的爱尔兰人是少之又少。
Today Ireland has the melancholy distinction of being the only nation in Europe, and perhaps the world, to have fewer people within the same boundaries than it did more than 150 years ago.
例如，应变仪计算在索具和船帆内缆线或绳索的长度。
For instance, strain gauges calculate the stretch in the wires or ropes in the rigging and sails.
斯切米茨和藻谷测量了33具恐龙、始祖鸟和翼龙化石的巩膜环内围和外围及眼眶大小。
Schmitz and Motani measured the inner and outer dimensions of this ring, plus the size of the eye socket, in 33 fossils of dinosaurs, ancestral birds and pterosaurs.
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