sheaths

As the two charge distributions separate, leaving positive and negative sheaths.

当两种电荷分布开始时, 就留下正离子鞘和负离子鞘.

Tough sheaths push through the earth and do the backwork needed for the emergence, but the buds which then emerge in clusters are silken and delicate.

坚韧的叶鞘拱出了土壤，需要对突出体作辅助工作，但是随后出现在叶丛中的花蕾光润而娇嫩。

He drew his sword from its sheath.

他拔剑出鞘.

The major reason for multiple sclerosis ( MS) is the severe injury and death of mature oligodendrocytes, which in turn causes the loss of the myelin sheaths.

多发性硬化症（Multiple Sclerosis，MS）的主要病因是成熟的少突胶质细胞损伤或死亡，从而产生髓鞘缺失。

Broadcast sowing increased the transport amount of nitrogen stored at pre-anthesis in sheaths, and later sowing date decreased the N transport amount stored at pre-anthesis in all vegetative organs, while the N transport rate stored at pre-anthesis showed different trends in different organs.

撒播显著提高了茎和叶鞘中花前氮素运转量，各营养器官的花前积累氮素的运转量随着播期的推迟逐渐降低，而花前积累氮素的运转率则因器官的不同呈现不同规律。

The signal characteristics probably result from dense gliosis and diminished myelin sheaths in the hemartomatous areas.

病变的信号特点很可能是因为错构瘤区域致密的胶质增生和髓鞘都是造成的.

He juxtaposed the magnificence of jacquard fabrics with the savage edge of animal skins, transformed into fitted sheaths.

他把富丽堂皇的提花织物和动物皮毛未经修饰的边拼在一起，做成合身的紧身服装。

In experiment group, the cortex of thymic lobule, bursa nodule and Periarterial Lymphatic Sheaths thicken obviously;

试验组的胸腺小叶皮质增厚，胸腺小体增多；

Under the light microcopy, the biopsy of sural nerve showed segmental loss of myelin sheaths in different extent, incrassation, regeneration, atrophy and inflammatory cell infiltration.

光镜下4例患者腓肠神经表现为不同程度的神经纤维脱髓鞘改变，个别髓鞘纤维增厚，有的只残留一小部分。

Tall grass with smooth bluish leaf sheaths grown for hay in the United States.

高草，叶鞘光滑带蓝色，在美国用作干草。

She appears wearing a magenta silk sheath dress by Jason wu, who also designed her inaugural gown.

在封面照上，米歇尔身穿一袭由设计师吴季刚为其设计的绛红色紧身丝质裙装。她在奥巴马就职典礼上所穿的礼服就出自吴季刚之手。

Observation of synovial bursae and sheaths around shoulder joint and their clinical significance

肩关节周围滑膜囊、鞘的观察及其临床意义

For the sword outwears its sheath,

因为利剑能够磨破剑鞘，

Some cultural practices are required to keep these leaf sheaths active during ripening stage.

一些栽培技术要求在成熟期尽量保持叶鞘的活性.

Leaf sheaths and stems of 0 ryza alta were used as experimental materials.

本实验以高秆野生稻的幼嫩叶鞘和茎为材料.

Over sheaths shall be extruded PVC or PE, the graphite shall be coated on the surface.

8外护套采用PVC或PE护套料挤制, 表面涂敷一层半导电涂层.

Put up your swords into their sheaths.

[古]把刀收入鞘内.

1103s was a new chlorophyll national mutant, of which leaves and sheaths would tum into green-yellow band when treated with varied temperature.

水稻温敏突变系1103s是一个在特定变温条件下，叶片和叶稍部都出现间断失绿性状的叶绿素突变新类型。

They offer plastic nail sheaths for pets to blunt their nails.

他们为宠物提供塑料趾甲护套,使它们的趾甲变钝.

It does not show sheaths around the vascular bundles. Procambium ( procambial strand) The layer of cells that gives rise to the vascular tissue.

它并没有显示出在维管束周围的鞘状构造。原形成层（原形成层束）：形成维管组织的一层细胞。

JA concentrations in leaves are higher than those in stems and leaf sheaths.

茉莉酸则在叶片中的含量相对较高，而在茎秆和叶鞘中的含量相对较低。

Sheaths are also made to command high appreciation and value.

刀鞘被制作的具有很高的观赏性和价值.

Sedges having dense spikes of flowers and leaves reduced to basal sheaths.

莎草科的一个属，花排列成紧密的穗状花序，叶退化成基生的鞘。

Types of M. extensor digiti quinti proprius and its synovial sheaths

小指固有伸肌的类型及其腱滑液鞘

The production of sheaths has led to some new and unexpected difficulties.

制造被筒时引起一些新的未预料到的困难.

Generally levels of hormones were highest in culm, followed by sheaths and leaves the lowest.

在各部位间总体以茎尖最高,叶鞘其次, 叶片最低.

In addition, various precision spiales and metallic sheaths can be made.

同时, 可承接各种精密轴、套类零件的加工制造.

Methods: Thoroclumbar spinal nerve root sheaths were observed and measured on 15 adult cadaver specimens.

方法：用巨视解剖和游标卡尺测量法对15具尸体的胸腰脊神经根鞘进行了解剖学观察与测量。

It'shows two well-developed sheaths around the vascular bundles.

它显示出两个发育完全之维管束鞘位于维管束周围.

Histochemical analysis and in situ hybridization showed that the ACO1 expression was localized in the basal parts of leaf sheaths immediately above nodes or the lower parts of elongating internodes.

组织化学分析和原位杂交结果表明ACO1在伸长中的节间底部仅靠近节的叶鞘基部表达量很高。