Leaves develop chlorosis; stems are short and slender, and anthocyanin discoloration occurs on stems, petioles, and lower leaf surfaces.

叶片变得萎黄，茎短而纤细，并且在茎、叶柄和叶片下表面会出现花青素变色。

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The sulphur concentrations in all leaves increased with the increasing of sulphur application rate and more sulphur accumulated in lower leaf was found.

施硫增加，各叶位全硫含量均显著增加，下部叶片明显累积较多的硫。

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Nocera’s ongoing research with the artificial leaf is directed toward “driving costs lower and lower, ” he says, and looking at ways of improving the system’s efficiency.

Nocera现在关于人造叶子的研究主要集中于如何“尽可 能 的降低系统成本”，他说，以及在寻找提高系统效率的方法上。

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In addition, a new lower priced entry-level LEAF S grade joins the previous SV and SL grades, while an array of feature enhancements are added to the LEAF SL grade, including leather-appointed seating and 17-inch aluminum-alloy wheels.

ENGADGET: Nissan starts US production of 2013 Leaf, vows faster charging and a lower entry price

First Nissan has had to lower its sales expectations for the Leaf all-electric vehicle.

FORBES: How Low Can Leaf Go? Nissan May See With Budget Version