The distribution of mineral nutrient elements was different in different leaf position, main leaf veins and soft leaves.

各种矿质元素在不同叶位以及同叶位的中肋和软叶中的分配均有所不同。

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The study found that the main shoot grows the best of all not because of its position at the top of the plant, but mostly because it got there first.

VOA: special.2009.10.13

"So these are the main factors that drive the price the move up higher due to the investor hedging their position against the dollar."

VOA: standard.2010.07.21

It embraces coastal to mountainous landscapes and occupies a strategic position between the main cultural and artistic cities of Tuscany and some important seaside tourist centres.

UNESCO: NATURAL SCIENCES

But China has not announced a change in position on any of the main disputes.

FORBES: China Boosts Gas Sales to Iran, Irks U.S.

Any pan-European entity is likely to confirm Britain's position as the continent's main builder of military aircraft.

ECONOMIST: European armaments