查询词典 twice differentiable function

Don't make promise when you are in joy. Don't reply when you are sad. Don't take decision when you are angry. Think twice, act advisably.

别在喜悦时就许下承诺，别在忧伤时就做出回答，，别在愤怒时就下决定；三思而后行，做出睿智的行为。

Some time after this war, king Aegeus consulted with the oracle at Delphi on another problem: although he had been married twice, he had no children.

在战争的结束后不久，爱吉尔斯王寻问戴尔非的神谕处另一个问题：即使他已经结过两次婚了，为什麼他仍然没有孩子？

These effects are applied zero times to the most recent afterimage frame, once to the second-newest afterimage frame, twice in succession to the third-newest afterimage frame, etc.

这些效果被0次应用到最新的残影画面，1次应用到第二新的残影画面，2次应用到第三新的残影画面，等等。

Aggie has been here twice this week.

艾琪这星期已来过两次了。

Twice he had experienced that terribly agonising feeling of the dread of death, of the end, and now he had ceased to understand it.

他两次体验过死亡，即终极的恐怖这一骇人而痛苦的感觉，但现在他已不明白这种感觉了。

The Obamas have been to the Kennedy Center twice, once to see the Alvin Ailey dance troupe ? with daughters Malia, 10, and Sasha, 7 ?

奥巴马已经两次光临肯尼迪中心：一次是和两个女儿，10岁的玛利亚和7岁的莎撒去观看艾？

You can now duck twice in the air. Scout double jumps reset the in-air jump counts

现在你在空中可以蹲两次，scout的双跳重置为空中跳跃计数

If the observer is at a great distance compared to the other dimensions of the experiment and the rays are nearly perpendicular to the reflecting surfaces, then the path difference between the two waves (corresponding to r1-r2 in the preceding section) is just twice the thickness d of the air wedge at each point.

如果观察者比起实验装置来讲距离较远而且光线较接近于垂直反射于表面，那么这两光波的光程差(在前面所述的相应部分 r1-r2)就仅仅是空气劈尖在该点处的厚度 d 的两倍。

The observer is at a great distance compared to the other dimensions of the experiment and the rays are nearly perpendicular to the reflecting surfaces, then the path difference between the two waves (corresponding to r1-r2 in the preceding section) is just twice the thickness d of the air wedge at each point.

如果观察者比起实验装置来讲距离较远而且光线较接近于垂直反射于表面，那么这两光波的光程差(在前面所述的相应部分 r1-r2)就仅仅是空气劈尖在该点处的厚度 d 的两倍。

Treatment group:oxygen compressed air-driven atomization of ventolin,atrovent,inhalants were used pulmicort turbuhaler and formoterol,the control group:hyphylline 0.25 g plus 5% glucose 250 ml intravenous injection,twice a day,with oxygen at the same time,clinical observation to improve the situation.

将86例哮喘急性中、重度发作的患者随机分为两组。治疗组：氧气驱动空气压缩雾化应用万托林、爱全乐。吸入剂使用普米克都保和奥克斯都保。对照组：应用二羟丙茶碱0.25 g加5%葡萄糖液250 ml静脉注射，每天2次，同时配合吸氧，观察临床改善情况。

The role of the environment is very important.

的作用，环境是非常重要的。

At that time, the High Court of England and Wales Court of Queen's Bench president of William Murray, Lord Mansfield in June 22, 1772 ruling:"No matter then there is the inconvenience, but there must be a decision, I can not say that this case under the law in England are permitted or authorized; are so black should be released."

当时的英格兰及威尔士高等法院王座法庭院长William Murray， Lord Mansfield于1772年6月22日宣判：「无论有那麽不便，但总要有个决定，我不能说这件案在英格兰法律之下是准许或认可；所以黑人是应该被释放。