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A polyploid is a plant with more than two complete sets of choromosomes.

多倍体是植物具有两套以上的染色体。

Prickle A protective multicellular outgrowth from the surface of a plant.

刺：植物体表面具有执行保护机能的多细胞结构。

Rna - Rns, see "Partitioning of net radiation", for multiple plants the fraction of radiation to each plant is calculated in the radiation section, see "Partitioning of radiation between plants", es is the vapour pressure at saturation, ea is the actual vapour pressure,ρa is air density, cp is the specific heat of air at constant pressure, Lν is the latent heat of vaporisation,Δ is the slope of saturated vapour pressure versus temperature curve,γ is the psychrometer "constant", rs is an "effective" surface resistance and ra is the aerodynamic resistance.

潜在蒸腾量 Etp 根据Monteith(1965)给出的彭曼联合方程形式计算：式中： Rn 为对于蒸腾的有效净辐射量(也就是 Rna - Rns ，见"净辐射划分"-Partitioning of net radiation，对于多重植被，每一株植物的辐射比率的计算见辐射一节的"植物间的辐射划分"Partitioning of radiation between plants)； es 为饱和水气压；ea 为实际水气压；ρa 为空气密度； cp 为常压下的空气比热；Lν为汽化潜热；Δ为与温度曲线饱和水气压关系曲线斜率；γ为干湿球湿度计"常数"；rs 为"有效"表面阻力；ra 为气动阻力。

Row crop used in animal feed, cereals and industrial products -- into a plant that can not only weather devastating drought but also yield a rich blend of vitamins and minerals.

这个研究所的目标是将高粱属的植物－－美国用作动物饲料，粮食和工业品的常规中耕作物，转变成一种能抵御气候干旱，而且还能产出丰富维生素和矿物质的作物。

A plant disease caused by a rust fungus, characterized by reddish or brownish spots on leaves, stems, and other parts.

锈病：由锈菌引起的一种植物病，特点是叶子、茎和其它部分上有红色或褐色的斑点

The part of a plant, such as a rutabaga, that is above the ground.

梢：芜菁甘蓝等植物露出地面的部分

The "a" came from acetyl. The "spir" came from the spirea plant, which also produces salicin. And the "in"?

a"取自"acetyl"，"spir"取自"spirea"（绣线菊类的植物，另一种也能制造酸的植物），那么"in呢？

The "a" came from acetyl. The "spir" came from the spirea plant, which alsoproduces salicin. And the "in"?

a"取自"acetyl"，"spir"取自"spirea"（绣线菊类的植物，另一种也能制造酸的植物），那么"in呢？

Fig. 6. Conceptual model of salt marsh plant zonation as a function of physical stress, nutrient availability and competitive

互花米草图6 物理胁迫、营养有效性与竞争关系交互影响下，盐沼植物成带分布的概念模型 A。

A plant ,such as a parasite or saprophyte,that obtains its nourishment from other living or dead organisms.

异养植物一株从其他的活的或死的有机物身上得到养分的植物，如寄生植物或腐生植物

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。