one-order difference arithmetic 一阶差分法
Software Time Difference Arithmetic 软件时差算法
arithmetic difference [数] 算术差
arithmetic mean temperature difference [制冷] 算术平均温差 ; 算术平均温度 ; 算术平均温度差
This is true on a FPU-less, JIT-less G1 and a Nexus One with an FPU and the JIT. (Of course, absolute speed difference between those two devices is about 10x for arithmetic operations.)
通常的经验是，在Android设备中，浮点数会比整型慢两倍，在缺少FPU和JIT的G1上对比有FPU和JIT的Nexus One中确实如此（两种设备间算术运算的绝对速度差大约是10倍）
So if there's a difference in run time, it's not because of the arithmetic code.
所以如果在运行时间上有差异，那么不是因为算术代码）。
The test command is very powerful, but somewhat unwieldy given its requirement for escaping and given the difference between string and arithmetic comparisons.
test命令非常强大，但是很难满足其转义需求以及字符串和算术比较之间的区别。
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