有些计算机一秒钟能完成超过十亿次运算。
Some computers can perform over a billion computation a second.
您可以针对文字执行一次运算：将文字串连或将字串连结在一起。
You can perform one operation on text: concatenation, or the linking together of strings.
再提醒一次，你们用运算符的时候，要多加小心。
And again, you've got to be careful about how you use the operators.
方案仅需要一次双线性对运算，实现快速。
世界上第一台计算机EMNIAC每秒可进行A次加、减法运算。
The world's first computer per second EMNIAC can add, subtract a times.
最后，再说个运算符**，它表示乘方，就是前一个数为底数，后一个数为指数的次幂运算。
Finally, the operator ** performs exponentiation; that is, it raises a number to a power.
好，必须再提一次这已经是，直截了当的代数运算了。
All right, again this is straightforward kind of algebraic manipulations to get here.
好，必须再提一次这已经是，直截了当的代数运算了。
All right, again this is straightforward kind of algebraic manipulations to get here.
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