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| 1. | The double result is turned back into a char with a cast. |
| 利用一个“造型”，double结果会转换回char。 |
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| 2. | deserves a closer look. Math.random( ) produces a double, so the value 26 is converted to a double to perform the multiplication, which also produces a double. |
| Math.random()会产生一个double值，所以26会转换成double类型，以便执行乘法运算。 这个运算也会产生一个double值。 |
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| 3. | -...I will double it. |
| - ...我加倍给你. |
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| 4. | This pneumatic tool will double the speed of assembly. |
| 这个气动工具可以把装配的速度提高一倍。 |
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| 5. | Money earning good interest will double itself in time. |
| 以优利放存的款到时候会增加一倍。 |
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| 6. | the compiler normally takes exponential numbers as doubles, so without the trailing f it will give you an error telling you that you must use a cast to convert double to float. |
| 编译器通常会将指数作为双精度数（double）处理，所以假如没有这个尾随的f，就会收到一条出错提示，告诉我们须用一个“造型”将double转换成float。 |
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| 7. | if you multiply a float and a double, the result will be double; |
| 若将一个float值与一个double值相乘，结果就是double； |
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| 8. | If I feel ill I will double my labor. |
| 病痛时，我加倍工作。 |
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| 9. | This means that 'a' must be converted to a double to perform the addition. |
| 这意味着为了执行加法，必须无将'a'转换成一个double。 |
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| 10. | Togolese striker Adebayor,23, will double his￡14,000- a-week wages. |
| 多哥前锋阿德巴约年仅23岁，他的周薪1.4万英镑因此将会翻倍。 |
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