stem是什么意思

网络释义

用法例句

Effects of Methanol Extracts from Caudex of Ammopitanthus mongolicus L. on the Growth of the Larvae of Diamondback Moth,Plutella xylostella L.;

沙冬青茎杆甲醇提取物对小菜蛾幼虫生长发育的影响

The main structure, working process, main technology parameters and test results on QP-1800 type split lumpy machine for banana stems are introduced in this paper.

阐述了QP-1800型香蕉茎杆切割破片机的主要结构、工作过程、主要技术参数和试验结果。

Genetic Variation Study of Laser-nuclear Radiation s influence on Wheat Stalk Traits;

激光—核辐射诱变小麦茎杆性状的遗传变异研究

The barley′s economic and biological yield, effect of fertilizer on spike,grain and neight, as well as the relationship between them and the strength of stem are analyzed through stage applying fertilizer,and the optimum applied time of fertilizer for elongation and booting is explored to increase the yield and income.

通过分期施肥的方法 ,从分析大麦经济产量和生物产量结果、协调穗粒重三因素的作用以及与茎杆强度的关系 ,探索拔节孕穗肥最佳施用时间 ,以达到增产增收的目的。

Study on the Developmental Biology of Fiber in the Culms of Phyllostachys Edulis;

毛竹茎杆纤维细胞的发育生物学研究

Penetration of the stems and feeding of larvae are impaired by the structural characteristics of the plant.

植物借助结构特点来阻碍幼虫钻入茎杆和取食。

Reaserch on Synthetical Utilization of Tobacco Stalk and Municipal Hogwash by Compost;

烤烟茎杆与城市泔水堆肥化利用的研究

The Research on Lodging Extra-intro Inducing Factors and Stem Dynamics Character in Spring Wheat;

春小麦倒伏内外因素及茎杆力学特点的研究

Responses of the Inflorescence Stem Traits of Arabidopsis Thaliana to Elevated CO_2;

拟南芥茎杆特征对大气CO_2浓度变化的响应

coarse food (especially for cattle and horses) composed of entire plants or the leaves and stalks of a cereal crop.

粗糙的食物（尤其喂牛和马）由整棵植物或叶子和谷类茎杆组成。

Tangential Orientated at a tangent to a circle, the circle being, for example, the surface of a plant stem.

切向的：沿圆周的一个切线方向。植物体存在的圆形可以为茎杆表面。

Studies on the Influence of Discarding Tobacco Stem upon Water Environment and Aerobic Composting of Tobacco Stem;

烤烟茎杆对水体环境的影响及其堆肥化利用的研究

The stalk or stem of a corn plant.

玉米杆玉米作物的杆或茎

The stem of a grass or similar plant.

空心杆草或类似植物的茎

After the harvest, the stalks were brown and bare.

收获以后，只剩光秃的棕色杆茎。

Having a single, undivided trunk with lateral branches, as in spruce trees.

（茎）贯顶的，（树性）塔状的主轴延伸成不分枝的茎或杆的，如云杉

Thrust a rod from its last shoot down the stem;

从它初发的嫩枝旁沿茎插一根笔直的杆子；

the hard woody stems of bamboo plants; used in construction and crafts and fishing poles.

竹子坚硬的木质的茎，用于建筑、工艺品和鱼杆。

Preliminary Study on Agrobacterium Tumefaciens Mediated Transformation of HAL1 Gene into Shoot Apical Point of Maize

农杆菌介导向玉米茎尖导入HAL1基因的初步研究

The hard or woody stems of these plants, used in construction, crafts, and fishing poles.

竹竿该种植物坚硬的或木质的茎，用于建筑、工艺品和鱼杆

small motile bacterial rods that can reduce nitrates and cause galls on plant stems.

能运动的杆菌的小属可以减少硝酸盐和引起栽培植物在茎上长瘿。

larva of potato moth; mines in leaves and stems of e.g. potatoes and tobacco.

马铃薯蛾子的幼虫；在例如马铃薯和烟草的叶子和杆茎上钻洞。