Undeterred, Prime Minister David Cameron has decided to create a national happiness index providing quarterly measures of how folks feel.
首相大卫·卡梅伦没有退缩，他已经决定建立国民幸福指数，每个季度发布一次，了解民众的感受。
2
Say when you're at the front of C prime, your thumb points to the right, your index points up because that's where the surface is, and then your middle finger will point out.
你在曲线C的前端，你的拇指指向右边，你给指出来了，因为那就是这个表面所在，然后你的中指就会指出。
3
The classical discrete logarithm problem in finite prime fields can be solved in an expected time which is subexponential in the group size via the socalled index calculus method.