A 8 years long term experiment was conducted on the high yield area of plain at the foot of Yanshan mountain.

通过连续8年长期定位试验，研究了不同施肥方式对燕山山麓平原高产粮区褐土土壤肥力和作物产量的影响。

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"Sixteen years counts as a long term experiment," explains Russell Hand of the University of Sheffield in England.

“16年就已经算是长期的实验了，”英国谢菲尔德大学的拉塞尔•汉德解释说。

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Sure, some women will experiment, but it won't be a long-term move added to the routine.

当然是一些女人愿意尝试，但没过多久就又例行公事了。

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To verify the findings, the researchers repeated the experiment with 67 other co-eds in long-term relationships.

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If this experiment and others are to be part of the rhino's long-term salvation, then the Imire seven must produce a new generation of at least seven survivors.

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On Thursday, a week later, it inched further toward a long-term deal with Google because the companies are pleased with the initial results of the experiment, according to The Wall Street Journal.

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