It divides the useful region twice and effectively suppresses the rotate distortion when the image was taken.

对有效虹膜区域进行两次划分，有效的抑制了采集图像时旋转失真的影响。

youdao

Such an argument is plausible, however, it is less useful for understanding the sociopolitical implications of water use and control in other, water-rich parts of the Maya region.

这样的论据是有道理的，然而，对于理解玛雅地区其他富水地区的用水和控制的社会政治影响来说，就没那么有用了。

youdao

We want to hear from him and from other partners in the region what would be useful to help them.

我们希望从他和该地区其他伙伴那里听到对帮助他们有用的信息。

youdao

Is it really moving in the direction that we think would be most useful for the region?

WHITEHOUSE: Press Briefing

As America intensifies its preparations for possible war with Iraq, one of its most useful allies in the region, Turkey, has been stubbornly refusing to fall into line.

ECONOMIST: Hoping to make a difference | The

The autocratic regime is a useful American ally in the region and has been repeatedly praised in Washington for its anti-terrorist efforts.

ECONOMIST: Uzbekistan