Acetamiprid 3% EC provided excellent control of cucumber aphid in field experiments.

田间药效试验表明，3%啶虫脒乳油防治黄瓜蚜虫具有较好的防治效果。

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Through analgsing the moving course of spring tine mechanism for collecting cereals, a new type rake tine mechanism is designed, showing satisfactory result in field experiments.

在此基础上设计出了新型的搂齿机构。并通过田间试验取得了满意的结果。

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In this study, the influences of different nitrogen fertilizer variety, nitrogen level and basal manure on nitrate accumulation and quality of cabbage were investigated in field experiments.

本文在田间试验条件下探讨了氮肥品种、用量及不同基肥种类对包心菜硝酸盐累积及品质的影响。

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The next four-month mission in the northern climes of Canada will see a team of scientists donning mock spacesuits and undertaking field and scientific experiments in complete isolation.

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Thus launched an academic career in which Ashraf challenges (and sometimes disproves) popular economic theory with field experiments.

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Researchers in the field fear, though, that despite being much smaller than existing, inadvertent changes, their experiments will nevertheless become a focus for strident opposition unless there is a clear and respectable system of regulation.

ECONOMIST: Geoengineering