By the end of the six-month maintenance period, 53 percent of patients with a history of medication resistance and 38 percent of patients without such a history relapsed despite treatment.

在六个月的维持期结束后，尽管有治疗，但是53%的有药物抵制史的患者和38%无此类历史的患者复发。

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The arc voltage, current, power and resistance of a nitrogen gliding arc in one period were studied.

以氮气滑动弧为例，分析了其在一个周期内电弧电压、电流、电阻和功率的变化特性。

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Photosynthetic rate and chlorophyll content of flag leaf declined sharply, and leaf stomatal resistance increased rapidly in late period of senescence.

衰老后期，根系活力、叶片光合速率和叶绿素含量快速下降，叶片气孔阻力增加。

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But Hoon warned coalition forces "may well face a difficult and dangerous period" from resistance by remnants of pro-Saddam forces.

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Germany itself remains staunchly opposed to anything that smells of Eurobonds, and the current period of calm has only reinforced that resistance.

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Mr Fowler said one example was whether a plant displayed a good degree of heat resistance during its flowering period.

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