您必须检查要排序的选定列是否刚好在已排序的列的前面，如果是这样，还需要确定已经排序的列的排序方向(升序或降序)。
You must verify whether the column selected to be sorted is the immediately preceding column to have been sorted and, if it is, in which direction (ascending or descending) it was previously sorted.
Roe说。答案仍然是不确定的，但这两位科学家的研究已经转向一个令人堪忧的方向。
The answer is still couched in probabilities, but they've shifted in a worrying direction.
一种方法是使用表面贴装3轴加速度计是已经存在于许多智能手机，如飞思卡尔半导体MMA8653，以确定该终端的方向。
One approach is to use a surface-mount 3-axis accelerometer that is already present in many smartphones, such as the Freescale Semiconductor MMA8653, to determine the orientation of the terminal.
如何将原有的风险控制系统进行优化，实现现代风险不确定性的控制，已经成为了各国金融机构、企业不断研究探索的一个重要方向。
How to optimize the original control system of risks to control the uncertainties of modem risk has become a challenge to national financial institutions and enterprises.
如何将原有的风险控制系统进行优化，实现现代风险不确定性的控制，已经成为了各国金融机构、企业不断研究探索的一个重要方向。
How to optimize the original control system of risks to control the uncertainties of modem risk has become a challenge to national financial institutions and enterprises.
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