正双曲线 right hyperbola
单错校正双错检测 SECDED
正双线性形式 positive bilinear form
正双形齿兽 Eudimorphodon
正双级时效 two step aging
幺正双线性形式 unitary bilinear form
正双折射 positive birefringence
正双轴晶体 positive biaxial crystal
真正双曲的 [数] properly hyperbolic
反双曲正弦 asinh ; Inverse Hyperbolic Sine ; [数] arc-hyperbolic sine ; anti-hyperbolic sine
克拉拉有一张苍白瘦削的脸和一双温柔的蓝眼睛，这双眼睛此刻正不耐烦地盯着时钟。
Clara had a pale, thin face with soft blue eyes, which at that moment were watching the clock impatiently.
此外，当矩阵为非退化对称双正加阵时，该序列收敛。
Moreover, when A is a nondegenerate, symmetric and copositive plus matrix, the sequence converges to a solution of the problem.
他是一个禁酒主义者，一个接近于素食主义者并且据大家说，他非常忠诚于他的第二个老婆Grace .他的裁缝提到，穆加贝(Mugabe)的衣服尺寸(他喜欢在他的夹克两边各开一口并且不喜欢双排扣的正装)20年内都没有变化过。
His tailor notes that Mr Mugabe's measurements (he likes vents at the sides of his jackets and cannot abide double-breasted suits) have not altered in 20 years.
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