就此，15号染色体上成为研究热点的这一区域存在另外两种编码尼古丁受体的基因，提示实际情况将更为复杂。

That, and the fact that the region of chromosome 15 under scrutiny has two other nicotine-receptor genes in it, suggests the situation may indeed be more complex.

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景观边界影响域研究是景观边界研究的重要组成部分，也是景观生态学国内外研究的一个热点问题。

Depth of edge influence of landscape boundary is an important component of landscape boundary research, and also, the hotspot of ecological research at home and abroad.

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超宽带(uwb)技术是目前热点研究的一种无线个域网(WPAN)技术，而其MAC协议对网络的整体性能有着极重要的作用。

UWB is one of the hottest research topics in the area of WPAN (Wireless Personal area network), and the MAC Protocol is vital to the global network performance.

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