茎干

每年，橡树的茎干都会变得更粗，因为树皮之下长出了新的一层木头。

Every year the stem of the oak-tree becomes a little thicker , for a new layer of wood grows all round it just under the bark .

蒲公英没有长长的茎干，不过在根的顶部却生长出一些向外扩散的绿叶，从而形成莲座丛。

The dandelion has no long stem or trunk , but from the top of the root a number of green leaves spread out and form a rosette .

其茎干被一层光滑的棕色树皮包裹，绿色的叶子则长有锯齿状边缘，其外形与蔷薇的叶子相似。

Its stem is covered with a smooth brown bark , and its green leaves have saw-like edges , somewhat like the leaves of a rose-bush .

随氮素水平增加，水曲柳根系、茎干和叶片中全N浓度均上升。

Increasing nitrogen concentration supplied lead to the increase of nitrogen concentration in leaf , stem and root .

叶萌发更快，并且高P种子与低P种子相比茎干重对于幼苗生长来说要大，但是仅仅当外部P供应对于植物生长来说不足的时候。

Leaf emergence was faster and shoot dry weight was greater for seedlings grown from high compared with low P seed , but only when external P supply was deficient for plant growth .

但GA与IAA共同使用后减少了IAA所诱导形成的茎干状结构中维管组织的细胞数。

Applying GA together with IAA decreased the number of various tissue cells in the IAA induced new trunk like structure .

dff值表明，在花序、顶心、绿叶生理功能旺盛器官，比茎干和衰老器官低，说明生物固氮或土壤供氮对紫云英功能器官发育的重要性。

The low dff value in physiologically active organs , such as young leaves , flowers , and stem apices indicated that the nodular nitrogen fixation and the application of nitrogen fertilizer were important for their development .

与单一NO-3营养相比，增铵营养显著提高了茎干重、总干重、单株分蘖数、叶片叶绿素含量、植株氮含量和氮积累量，但对根干重没有影响。

Compared with NO - 3 alone , EAN significantly increased shoot dry weight ( DW ), total DW , tillers per plant , leaf chlorophyll content , nitrogen content and nitrogen accumulation except for root DW .

这款名为Pekoppa的小玩具看上去像是一株刚刚从盆中冒出新芽的植物，轻轻摇摆着它的两片嫩叶，或是弯弯茎干，仿佛在向身边说话的人做出回应。

The Pekoppa toy , which looks like a small plant just starting to from a pot , its two leaves or bends its stem as if it is reacting to someone who is speaking nearby .

由藤条茎干作成的手杖。

A cane made from the stem of a rattan palm .

美洲热带树种，大型盾状树叶，中空茎干。

Tropical American tree with large peltate leaves and hollow stems .

一种有尖的圆锥形的帽和干的茎干的菌类。

A fungus having an acutely conic cap and dry stalks .

黄檗幼树茎干中小檗碱含量的分布

Distribution of Berberine Content in the Stem of Corktree Saplings

对自然状态下南方红豆杉茎干向下萌生的气生不定根进行解剖学观察。

The anatomical structure of the aerial adventitious roots of Taxus chinensis var.

一种其茎干大的，肉质的，可食的，形状类似芜菁的植物。

Plant cultivated for its enlarged fleshy turnip-shaped edible stem .

北半球终年植物，有纤细的茎干和铃状花。

Perennial of northern hemisphere with slender stems and bell-shaped blue flowers .

苗木茎干粗壮，高径比为60～70；

Ratio of height and diameter was 60 ~ 70 ;

植物叶子或茎干变成红紫色。

A reddish-brown discoloration of leaves and stems caused by a rust fungus .

梨树茎干环剥的组织学研究

Anatomical studies on regeneration of pear stem after girdling

叶子按比例分布在茎干处。

Leaves reduced to scattered scales along the stem .

茎干被用为栽培附生兰类的基质。

Trunks are used as medium for orchid cultivation .

植物的茎干从根部开始腐烂。

Plant disease in which the stem or trunk rots at the base .

茎干不缠绕支撑物，但是倚靠其上而生。

Stems don 't twine round supports , but they can lean against them .

不同生境下云南松及其近缘种林木茎干的形态结构特征

Morphological Characteristics of Stem of Pinus yunnanensis and Its Related Species in Different Habitats

微波提取香蕉茎干中水溶性膳食纤维的工艺研究

Study on Microwave Extraction Technology of Water Soluble Dietary Fiber from Banana Pseudo Stem

遍布世界各地的草本或木本植物，茎干是中空的并且有节，叶子是细长形的。

Cosmopolitan herbaceous or woody plants with hollow jointed stems and narrow long-bladed leaves .

高的无叶草本植物，有蜡白色的茎干和白色星形花；美国西南部。

Tall herb with leafless waxy-white stems and whitish starlike flowers ; southwestern United States .

有多刺茎干的树状仙人掌；美国西南部和墨西哥。

Arborescent cacti having very spiny cylindrical stem segments ; southwestern United States and Mexico .

大型独居蜜蜂，在木材或植物的茎干中钻洞产卵。

Large solitary bee that lays eggs in tunnels bored into wood or plant stems .

帽子凸起，表面以下暗黄色，有着干燥茎干的菌类。

A fungus convex cap and a dingy yellow under surface and a dry stalk .