When the blood lead level was adjusted by covariance analysis, reactive time in choice reaction test of the ALAD1-2 genotype was closed to that of ALAD1-1 homozygote.

在应用协方差分析充分均衡了两组的血铅水平后，ALAD1- 2的选择反应时间与ALAD1- 1组十分接近。

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At the same time, due to the improvement of building level, more and more high buildings have come into being, which accordingly lead to some complicated disputes.

同时由于建筑水准的提高，高层建筑物层出不穷，由此引发的纠纷也更加纷繁复杂。

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France took an early lead but Wales drew level (ie equalized the score) before half-time.

法国队开始时领先，但中场休息前威尔士队已与之拉平。

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But when it comes time to lead at a senior level, the challenge of leadership requires full-on engagement.

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Widders completed his hat-trick for a 22-6 half-time lead, only for Salford to level through Stuart Littler, Jodie Broughton and Ian Sibbit.

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These civilian contacts were seen as confidence-building measures which might in time lead to similar measures at a military level.

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